The marine food chain begins with plankton, which are prey to other creatures such as ________, "the power food of the Antarctic."A)krillB)benthosC)shrimpD)crabs

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Answer 1

The marine food chain begins with plankton because they are the primary producers that convert sunlight and nutrients into organic matter.

Plankton are then consumed by a variety of creatures, including krill, which are known as "the power food of the Antarctic." Krill are important prey for many marine animals, including whales, penguins, and seals, and are also commercially harvested for human consumption.

Krill are highly nutritious and are rich in omega-3 fatty acids, making them a valuable food source for both animals and humans. Overall, the role of krill in the marine food chain is crucial, as they serve as a major food source for many species and help to support the entire ecosystem.

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Related Questions

Which condition is characterized by a blowing or clicking sound?

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The condition that is characterized by a blowing or clicking sound is heart murmur.

What is heart murmur?

Heart murmur is defined as the abnormal sound made by the heart when blood flows through the heart abnormally.

The clinical features of heart murmur include:

Chest pain.

Cough that doesn't go away.

Dizziness.

Swollen liver.

The characteristics of heart murmur is that it has a blowing and clicking sound.

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Increasing the _____ would allow you to tell if what appears as one object is really two objects very near each other.

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If two objects very are near each other, increasing pressure leads the body to join and compressed each other.

What happens if pressure is increase on two objects?

Increasing the pressure, the two bodies join and compressed each other as two objects are very near each other because both objects are in contact with each other. If the pressure gets higher deformation of shape to occur due to compression. Pressure is the force which acts on the objects whereas in this situation, pressure is applied on two objects from the outside.

So we can conclude that if two objects very near each other, increasing pressure leads the body to join and compressed each other.

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write any two difference between haploid cell and diploid cell.​

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Haploid vs Diploid
Haploid cells contain only one set of Chromosomes (n). Diploid, as the name indicates, contains 2 sets of chromosomes (2n). Haploid cells are formed by the process of meiosis. Diploid cells undergo mitosis.

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Answer:

Explanation:

A diploid cell has two sets of chromosomes (one each from the male parent and female parent). 
A haploid cell has only one set of chromosomes.

The haploid generation gives birth to plants with diploid cells.

Where are phospholipids most likely found in a eukaryotic cell? group of answer choices ribosomes around organelles plasma membrane flagella b and c

Answers

Answer: plasma membrane

Explanation:

Fill in the blanks with the appropriate artery name. Then place the sentences in order to trace a drop of blood from the heart to the left thumb.

Answers

Blood pathways are as follow - Aorta -Third Subclavian  Axillary Brachial Radial  
Arranging Sequenceof Blood pathways  - Your heart's two upper chambers are called atria. Both the left and right atriums are present.

Your two lowest heart chambers are called ventricles. Both the left and right ventricles are present in you. Large veins known as pulmonary veins carry oxygen-rich blood from your lungs to your left atrium. To transfer blood from your left atrium to your left ventricle, your mitral valve opens.

Your left ventricle contracts when it is full, which causes your mitral valve to close and your aortic valve to open. Blood is sent from your heart to your aorta, where it travels to the rest of your body, via your aortic valve. Your heart pumps blood from its right side to its left side before returning to the rest of your body in Blood pathways


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which two pieces of evidence would support the idea that Pangaea once existed?

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Answer:

a & c

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The ______ function shall suspend execution of the calling thread until status information for one of the terminated child processes of the calling process is available

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The wait function will suspend execution of the calling thread until status information for one of its terminated child processes is available.

The wait function will suspend execution of the calling thread until status information for one of its terminated child processes is available, or until delivery of a signal whose action is either to execute a signal-catching function or to terminate the process.Until one of its child processes ends or a signal is received, a call to wait() pauses the caller process. Parent process continues to run after wait system call command after child process exits.Child process may terminate due to any of these:From main, it calls exit() and returns (an int).When a signal is received (by the OS or another process), its default response is to terminate.

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The main dietary factor associated with elevated blood cholesterol is?

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The main dietary factor associated with elevated blood cholesterol is saturated fat.

What about saturated fat?Because they increase the amount of LDL cholesterol in our blood, saturated fats, sometimes known as "bad fats," increase the risk of cardiovascular disorders (including heart disease and stroke). Cholesterol that is circulated in the blood. The majority of this cholesterol is produced by the body, however some is also absorbed from the meals you eat. Even if they include fat, foods derived from plants never contain cholesterol.Only foods from animals do. Low density lipoproteins are able to transport cholesterol. Dietary fat, particularly saturated and trans fats, may increase LDL and total cholesterol levels in the blood. Blood cholesterol levels may be lowered by substituting polyunsaturated and monounsaturated fats, particularly olive and canola oil, for some saturated fats.When we consume too much saturated fat, the receptors stop functioning as effectively, and blood cholesterol levels rise.

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Many emerging adults want to engage in sexual activity but know that they are not emotionally ready to be parents. their solution is:_________

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Many emerging adults want to engage in sexual activity but know that they are not emotionally ready to be parents. their solution is: Contraception

The practice of preventing conception is known as birth control or contraception. Medication, procedures, technology, and behavior are examples of methods.Barrier techniques, like condoms, are a type of contraception that aid in preventing both pregnancy and sexually transmitted diseases (STIs). No matter what alternative method of birth control you use, you should still use condoms to safeguard your partner's and your own sexual health.the following are the types of contraceptives:

The contraceptive implant, contraceptive injection, emergency contraception pill (the "morning after" pill), contraceptive ring, intrauterine device (IUD), condom, oral contraceptive pill, contraceptive implant, contraceptive injection, and contraceptive implant.

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The cell organelle that digests molecules, old organelles, and foreign substances is the ____

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The cell organelle that digests molecules, old organelles, and foreign substances is the lysosomes.

Every eukaryotic cell has membrane-bound organelles called lysosomes. They are well-known as terminal catabolic stations that eliminate waste from cells and scavenge metabolic raw materials to maintain vital biosynthetic reactions under famine.An animal cell's organelle recycling facility, the lysosome is an organelle that houses digestive enzymes. It disassembles dated and pointless structures so that their molecules can be recycled. Some vesicles that exit the Golgi are directed toward the lysosome, which is a component of the endomembrane system.The hydrolase enzymes of the lysosome, a membrane-bound vesicle, break down aged organelles and proteins into smaller molecules like amino acids.

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Describe and explain the intelligence cycle steps. Is one step in the intelligence cycle more significant or more important than others? explain why?

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Intelligence cycle is the process of active collaboration which develop information for policy making and action.There are six steps of the cycle - Requirements, Planning, and direction, collection, processing and exploitation , analysis and production and dissemination.

Requirement - Those questions which expected to includes in contribution.Planning and direction - Is the management and identifying the need for data to delivering.collection- Its a collection of information needed to produce intelligence.processing- Working of data processing

analysis and production- It includes analysis of data and preparing for intelligence product.The intelligence collection process and the intelligence analytic process not only operate.They are independent from each other which is a major problem. It helps

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As filtrate moves through the ______________in mammals, it generally undergoes a dramatic decrease in osmolarity.

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As filtrate moves through the Ascending segment of the loop of Henle in mammals, it generally undergoes a dramatic decrease in osmolarity.

The ascending limb of the loop of henle is direct continuation from descending limb of henle, one of the structure in the nephron of the kidney.This segment  of ascending limb has thin and thick segment.

The descending loop leads to sharp bend, in which ascending loop continues.This loop has thin and thick portion. Thick ascending limb is called distal straight tube. Thin-segment is permeable to ions and impermeable water.25% of sodium and potassium is absorb by the wall of ascending limb of the loop of henle.

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In the energy payoff phase of glycolysis, both atp and nadh are formed. What purpose do each of these molecules serve in the cell?

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NADH (the reduced form of NAD+) acts to transfer electrons between chemical reactions, whereas ATP is the energy coin of the cell.

What is Adenosine triphosphate?

Adenosine triphosphate (ATP) is the energy coin of the cell that serves to perform different metabolic functions in the cell which include, among others, growth, reproduction, etc.

Moreover, the reduced form of Nicotinamide adenine dinucleotide (NADH) is an electron carrier molecule that is used during cellular respiration to transfer electrons from one molecule to another.

In conclusion, NADH (the reduced form of NAD+) acts to transfer electrons between chemical reactions, whereas ATP is the energy coin of the cell.

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________ is a condition in which the oxygen-carrying capacity of the blood is reduced.

Answers

Answer:

Anemic Hypoxia.

Explanation:

As per the definition of this condition:

"Anemic hypoxia occurs when the oxygen carrying ability of the blood decreases, and thus, this defect is specifically associated with the blood. This implies that fewer hemoglobin molecules (or oxygen-binding sites) are available for binding oxygen."

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Oceans are a source of food with approximately _____________________ pounds of fish and shellfish caught annually.

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Oceans are a source of food with approximately 200 billion pounds of fish and shellfish caught annually.

The provisioning service of food from capture fisheries and culturing activities is one of the primary services offered by the oceans to human societies. Fish, invertebrates, plants, and, in some cultures, marine animals and seabirds for direct eating or as food for aquaculture or agriculture are all included in this.

The ocean makes a much less overall contribution to the world's food supply. Despite making up 71 percent of Earth's area, the oceans only provide 2 percent of the world's caloric food supply. Without counting the billions of fish raised in aquaculture, it has been estimated that between 0.97 and 2.7 trillion fish are killed each year around the world when they are taken in the wild.

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An Allele is best described as:

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An allele is best described as the alternative form of a gene.

What is an allele?

In genetics or cytology, an allele is one of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome.

Genes, according to Gregor Mendel, usually comes in pairs e.g. gene coding for height can be denoted by Tt. The allele represent a member of the gene that encodes a particular trait.

Therefore, an allele is best described as the alternative form of a gene.

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Progesterone has a total of _____ aldehyde functional group(s) and _____ ketone group(s).

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Progesterone has a total of 3 aldehyde functional groups and 2 functional ketone groups.

What is Progesterone?

Progesterone is a naturally occurring substances in the human body that is involved with the metabolic pathways of testosterone and they are referred to as endogenous steroid.

   It is also a progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species.

Progesterone is the most important progestogen in the human body.

One of the major functions of progesterone is that it helps  thicken the lining of the uterus each month.

The thickened  endometrial lining is made ready to receive and nourish a fertilized egg.

Should  pregnancy occur, progesterone is produced in the placenta and levels remain elevated throughout the pregnancy.

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You are unable to collect capillary blood from the finger of a child who has cold hands that appear bluish. What term is used to describe the color of this child's skin in the documentation of failure to collect a specimen

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Cyanotic is the term used to describe the colour of the child's skin in the documentation of failure to collect a specimen.

Cyanosis is characterized by a shift in the colour of human tissues to a bluish-purple tone. This colour change occurs as a consequence of reduced levels of oxygen being attached to the haemoglobin in the RBCs of the capillary bed. The lips, mucous membranes, nail beds, and ear lobes are among the most common areas on the body to exhibit cyanosis as these areas have thinner layers of skin than other parts of the body. In addition to cyanosis, a bluish discolouration of the skin tissue can be caused due to the consumption of food products with blue or purple dyes.

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Evolutionary divergence in directions of high phenotypic variance in the ostracode genus Poseidonamicus

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Evolutionary divergence in directions of high phenotypic variance in the ostracode genus Poseidonamicus to reconstruct in great detail the evolutionary history of a set of landmark-based morphometric characters.

Phenotypic variance

In most cases, phenotypic variance mixes environmental and genotypic variance. There are three main types of genetic variance: additive genetic variance, dominance variance, and epistatic variance. The inheritance of a specific allele from a parent and this allele's independent impact on a particular phenotypic are both examples of additive genetic variance, which results in a departure of the phenotype from the mean phenotype. The phenotype variation brought on by interactions between different alleles controlling the same trait at a single locus is referred to as dominance genetic variance. Different alleles at various loci interact to produce epistatic variation.

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A mutant strain of e. coli produces βâgalactosidase in the presence and in the absence of lactose. where in the operon might the mutation in this strain occur, and why?

Answers

The mutation might occur in the operator region, thereby altering its ability to bind the repressor of Escherichia coli.

What is the operator region?

The operator region is a nucleotide DNA sequence that plays regulatory functions capable of binding both activators and inhibitors.

The operator region is located in the operon, which is a cluster/group of different genes modulated by only one promoter region.

In conclusion, the mutation might occur in the operator region, thereby altering its ability to bind the repressor of Escherichia coli.

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The summary measure that is computed to describe a characteristic from only a sample of the population is called:_______

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The summary measure that is computed to describe a characteristic from only a sample of the population is called statistics.

Statistics is the study and manipulation of data, including data collection, evaluation, analysis, and interpretation methods. Descriptive statistics and inferential statistics are the two main subfields of statistics.

Different levels of statistics communication are possible, from non-numerical descriptor (nominal-level) to numerical with reference to a zero-point (ratio-level). To gather statistical data, a variety of sampling methods can be utilised, including basic random, systematic, stratified, or cluster sampling.

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The region of supply of food is called
A) Source B) Munch C) Sink D) Area of utilization

Answers

Answer:

Answer is Area of utilization

Explanation:

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What is the function of the sporangium? question 11 options: a) passes characteristics from one generation to the next b) forms haploid cells through mitosis c) protects the mature gametes d) protects the developing mother spore cells

Answers

Answer:

D) Protects the developing mother spore cells

Explanation:

A structure called a sporangium is found in some plants and other creatures and is responsible for producing and storing spores. Spores, which are haploid structures made by organisms, aid in the germination and formation of new organisms.

A structure called a sporangium is found in some plants and other creatures and is responsible for producing and storing spores. Spores, haploid structures produced by organisms, aid in germination and the development of new species. They assist in the process of reproduction, in other words. What does it actually imply that they are haploid, though? Simply said, it indicates that there are just half the chromosomes needed to create a complete diploid creature. The sporangia can divide through mitosis, or cell division, to manufacture and release spores.

A single, potentially complex morphologically produced sporangium is produced by an unbranched sporophyte in mosses, liverworts, and hornworts. The majority of ferns, many lycophytes, and non-vascular plants are homosporous (only one kind of spore is produced). Some ferns, the majority of lycophytes, and some bryophytes are heterosporous (two kinds of spores are produced). These plants generate gametophytes that are functionally male or female, respectively, by the development of microspores and megaspores. Occasionally, two types of spores are generated in the same sporangium and may even form a spore tetrad together.

Microsporangia and megasporangia, two different types of sporangia, are present in the majority of heterosporous plants. All seed plants, as well as a few ferns (Salviniaceae and Marsileaceae), some lycophytes (genera Selaginella and Isoetes, as well as the extinct lepidodendrids), are heterosporous with two types of sporangia.

Sporangia can grow near the terminals of stems, along their sides, or in close proximity to leaves. In ferns, sporangia are often located on the abaxial surface of the leaf, or the underside, where they are tightly grouped into clusters called sori. An indusium, a type of structure, could be present across Sori. The sporangia of certain ferns are dispersed along with the shortened leaf segments or along (or just in from) the leaf edge.

The sporangium has an indirect involvement in sexual reproduction and an active part in asexual reproduction in several phyla of fungus. The sporangium, which has haploid nuclei and cytoplasm, develops on the sporangiophore. Each haploid nucleus and cytoplasm are encased in a hard outer membrane as the spores develop in the sporangiophore. These spores spread by wind during asexual reproduction and develop into haploid hyphae.

Although sexual reproduction in fungus differs between phyla, the sporangium indirectly contributes to sexual reproduction in some fungi. When two haploid hyphae from different individuals combine to produce a zygosporangium in response to adverse circumstances, sexual reproduction takes place in Zygomycota. The zygosporangium's haploid nuclei subsequently combine to form diploid nuclei.

When the environment is more favorable, the zygosporangium germinates, goes through meiosis, and develops into a sporangium that releases spores.

Animals with deuterostome development, bilateral symmetry as larvae, and five-part radial symmetry as adults are called?

Answers

Animals with deuterostome development, bilateral symmetry as larvae, and five-part radial symmetry as adults are called Echinoderms.

An echinoderm is any member of the phylum Echinodermata. The adults are recognizable by way of their (generally five-factor) radial symmetry, and encompass starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, in addition to the ocean lilies or "stone lilies".

Person echinoderms are found on the sea mattress at every ocean depth, from the intertidal quarter to the abyssal zone. The phylum incorporates about 7,000 dwelling species, making it the second-biggest grouping of deuterostomes, after the chordates. Echinoderms are the biggest completely marine phylum. The primary definitive echinoderms seemed close to the beginning of the Cambrian.

The echinoderms are critical both ecologically and geologically. Ecologically, there are few other groupings so plentiful inside the biotic desert of the deep sea, as well as shallower oceans. Most echinoderms are capable of reproducing asexually and regenerating tissue, organs, and limbs; in a few cases, they are able to undergo entire regeneration from a single limb.

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The fluid from the __________ joins the sperm from the ____________ at the ejaculatory duct.

Answers

The fluid from the seminal vesicles joins the sperm from the vas deferens at the ejaculatory duct.

What is semen?

Semen is the sticky, milky fluid produced in male reproductive organs that contains the reproductive cells or sperm.

The sperm cell is produced by the testes, which is the male reproductive organ.

However, the sperm does not come out of the male alone, it is embedded in a fluid that together makes up the semen.

The vas deferens joins with the seminal vesicle to form the ejaculatory duct, which passes through the prostate and empties into the urethra.

Therefore, the fluid from the seminal vesicles joins the sperm from the vas deferens at the ejaculatory duct.

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What does microbacteria in soil do?

produces inorganic material

breaks down minerals

protects the soil from predators

Answers

Answer: Microbacteria breaks down minerals

Answer:

Breaks down minerals

Explanation:

Micro bacteria in soil helps break down minerals. For example, bacteria lives on plant roots and breaks down nitrogen, allowing it to be used for the plant.

What are the two forms that DNA takes in a bacterial cell

Answers

Answer:

bacterial plasmids and phages.

Explanation:

they make up and combine back into a bacterial DNA cell.

The spinal cord contains ascending and descending nerve fibers that send information between the cns and the periphery. This illustrates which function of the spinal cord?.

Answers

The spinal cord contains ascending and descending nerve fibres that send information between the CNS and the periphery. This illustrates the conduction function of the spinal cord.

The bony components of the vertebral column serve to shield the spinal cord, which is a component of the central nervous system (CNS) and which spans from the head to the tail of the body. It is protected by the three membranes that make up the central nervous system, which are the pia mater, the arachnoid, and the dura mater.

The spinal cord contains the descending and ascending nerve fibres. The spinal cord is an important component of both the central nervous system and the peripheral nervous system. It is connected to the rest of the nervous system by a network of 31 pairs of spinal nerves, which are responsible for carrying sensory information. These nerves go up the spinal cord or through the medulla oblongata to reach the subcortical nuclei, where they form synaptic connections.

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Over time, individuals in hot, arid environments will develop more sensitive forms of sweat glands resulting in the production of more sweat.

Answers

Answer: True

Explanation:

Which part of the nephron receives fluid directly from the glomerular capsular space?

Answers

The proximal tubule is the segment of the nephron in kidneys which begins from the renal pole of the Bowman's capsule to the beginning of loop of Henle. The glomerulus is the site in the nephron where fluid and solutes are filtered out of the blood to form a glomerular filtrate. The proximal and distal tubules, the loop of Henle, and the collecting ducts are sites for the reabsorption of water and ions. Fluid and small solutes are forced under pressure to flow from the glomerulus into the capsular space of the glomerular capsule.

Reabsorption as this filtrate passes through the tubules, specific substances are reabsorbed back into the blood of the peritubular capillaries. Bowman's capsule surrounds the glomerular capillary loops and participates in the filtration of blood from the glomerular capillaries.

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collects information at one specific time in order to help marketers make better decisions about their overseas markets. is called How do we build a Smart Basket for a customer? Can we rank the products customers buy based on what they keep buying in different baskets and how do products appear together in different baskets? how to find the maximum amount of static friction that can act on an object with normal force and friction coeffictiant Give an example of an asymmetric relation on the set of all people. an asset used in a four-year project falls in the five-year macrs class (macrs schedule) for tax purposes. the asset has an acquisition cost of $8,000,000 and will be sold for $1,940,000 at the end of the project. if the tax rate is 22 percent, what is the aftertax salvage value of the asset? user-defined types that combine multiple values into a single type are called scalar types.T/F 26. KCI (aq) + AgNO3(aq) _ KNO3(aq) + AgCl (s) How many mL of 0. 234 M KCl solution will react completely with 25. 0 mL of 0. 168 M AgNO3 solution"' The fixed order interval EOQ model is best used for skus with variable demand stable demand unknown demand seasonal demand None of the answers shown are correct Which uppercase letters among W, X, Y, and Z have bothreflective and rotational symmetry? A wave is normally incident from air into a good conductor having mu = mu_0, epsilon = epsilon _0, and conductivity sigma, where sigma is unknown. The following facts are provided: (1) The standing wave ratio in Region 1 is SWR = 13.4, with minima located 7.14 and 22.14 cm from the interface. (2) The attenuation experienced in Region 2 is 12.2 dB/cm Provide numerical values for the following: a) The frequency f in Hz b) The reflection coefficient magnitude c) the phase constant beta_2. d) the value of sigma in Region 2 e) the complex-valued intrinsic impedance in Region 2 f) the percentage of incident power reflected by the interface, P_ref/P _inc Warning: Since region 2 is a good conductor, the parameters in region 1 are very insensitive to the permittivity of region 2. Therefore, you may get very Strange answers for epsilon_r if you try to determine it as well as sigma (you probably will not get 1.0). You should be able to get the correct sigma. use laplace transforms to solve the integral equation y(t) 16t0(tv)y(v)dv=12t. the first step is to apply the laplace transform and solve for y(s)=l(y(t)) Consider a firm in the short run that is currently producing 10 units of output. Its total cost is $5000 and its fixed cost is $1000. What is the firm's current average variable cost? $250 o $275. $400. $300. give an example from an indigenous peoples history of the united states of one of these overseas federal land seizures perpetuated by the u.s. government since the 1960s. The ability of a logistics system to satisfy users in terms of time, dependability, communications, and convenience is referred to as __________. product replenishmentdistribution managementorder processingcustomer servicetotal logistics management betty and bob buy 100 shares of stock at $50 per share and sell 1 call with strike 50 for $6 and sell 1 call with strike 60 for $3. at a price of $16, a monopolist sells 2 units. at a price of $14, a monopolist sells 3 units. whats the marginal revenue associated with the third unit? T/F : lipedema, which is also known as painful fat syndrome, affects mostly women. Count how many of the elements of the given two-dimensional array are even. Complete the following file: Tables.java 1 public class Tables 2 3 public static double evenElements(double[][] values) 4 5 int rows = values.length; 6 int columns = values[0].length 7 int count = 0; 8 9 return count; 10 } 11 1 Submit Use the following file: TableTester.java public class TableTester public static void main(string[] args) double[][] a ={ { 3,1,4 }, { 1,5,9 } }; System.out-println(Tables.evenElements(a)); System.out-println("Expected: 1"); double[][]b={{3,1},{4,1},{5,9}}; System.out.println(Tables.evenElements(b)); System.out.println("Expected: i"); double[][] c={ {3,1,4},{ 1,5,9},{ 2,6,5 } }; System.out-println(Tables.evenElements(c)); System.out-println("Expected: 3"); } determine the natural cubic spline s that interpolates the data f (0) = 0, f (1) = 1, and f (2) = 2. given the following information, what would utilization be? effective capacity = 20 units per day, desighn capacity -= 60 units per day , actual output = 15 units per day