rocks from which source would most likely contain the highest percentage of iron-bearing minerals?

Answers

Answer 1

Ocean floor rocks would most likely contain the highest percentage of iron-bearing minerals.

Thin bands of iron are created on the ocean floor as a result of cyanobacteria and other ocean-dwelling organisms producing oxygen. These iron ores are a product of the oxygen that is created.

Huge amounts of iron ores were deposited down at the bottom of the ocean over the course of a billion years. Between 3.5 and 2.5 billion years ago, this event occurred. The vast deposits that were formed at that period include the iron ores that are being mined in South Africa, Australia, and the United States. Once the waters were cleared of iron, oxygen could start to build up in the atmosphere and advanced life forms could start to respire seriously. This procedure takes a billion years to finish. When it was accomplished, the era known as the Archean in Earth history came to an end.

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Related Questions

What two coins add up to 30 cents but one isn't a nickel?

Answers

One is not a nickel, while the other may be a coin equaling 5 cents. So the first coin is a quarter, which equals 25 cents. This results in a total of 30 cents.

30 cents is made up of a quarter and a nickel. You might also use three dimes or six nickels.

The situation at hand is a type of riddle. It is assumed that the total value of the two US coins is 30 cents.

One is not a nickel, while the other may be a coin equaling 5 cents. So the first coin is a quarter, which equals 25 cents. This results in a total of 30 cents.

As a result, the coins are a nickel and a quarter.

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What do East Egg and West Egg in The Great Gatsby respectively represent?

Answers

East Egg represents the established wealthy upper class in The Great Gatsby, whereas West Egg represents the newly wealthy.

West Egg is across the bay from East Egg, a wealthy area of Long Island. The novel uses the two locations of Egg to represent the contrast between the nouveau riche in West Egg and the established wealthy upper class in East Egg.The East Eggers are a traditional, wealthy family that has enjoyed life the fullest for generations. Because they have grown up in a world of privilege and do not comprehend the struggles of those who have to work hard to earn a living, they are referred to as being "supercilious" and "careless."

In contrast, the West Eggers are newly wealthy, having only recently become wealthy. Because they are perceived as lacking sophistication and having "vulgar" tastes, they are frequently looked down upon by East Egg residents.East Egg and West Egg, who represent the novel's two distinct social classes, contrast sharply throughout.

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you have a 100 cm3 sample of soil a. the sample is oven dried and weighed. the weight is 160 g.

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The weight of the soil sample is 160 grams and its volume is 100 cubic centimeters. This information can be used to determine the density of the soil sample. Density is a measure of the mass of a substance per unit volume. It is calculated by dividing the mass of the substance by its volume. In this case, the density of the soil sample would be calculated as follows:

Density = Mass / Volume
= 160 g / 100 cm^3
= 1.6 g/cm^3

This means that the soil sample has a density of 1.6 grams per cubic centimeter.

What did Washington think was the triumph of our enemies?

Answers

George Washington's farewell address placed a strong emphasis on the creation of parties that would ultimately split the nation. He took this into account when he said that, if it were to be approved.

It might lead to the country's division in his parting speech.President george washington delivered several bits of advise to the nation in his farewell speech. Avoid forming political parties or factions of any kind washington thought that political parties.

Would simply exacerbate societal division among Americans. He believed that these organisations would exacerbate rather than resolve the problems. Abstain from foreign entanglements Washington wished for the US to avoid interfering in other countries' affairs. Washington believed that interfering in other nations' affairs would only lead to complications.

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What characters in The Great Gatsby live in East Egg?

Answers

Answer:

Tom and Daisy Buchanan live in East Egg, the wealthy and desirable side of town. Jay Gatsby lives in West Egg, which is populated by inappropriate people who have made their money through illegal means, such as bootlegging.

Explanation

Please help.

Assess whether the social impacts of climate change experienced in the UK in the 21st century are greater than the environmental impacts.
Point: yes they are.
Evidence: (use the ulez zone as an example)
Explanation: why is this so important?


2nd point: No they are not.
Evidence:
Explanation: why is this so important?

I have an hour to submit this.

Answers

The impacts of climate change experienced in the UK in the 21st century are both social and environmental. While both impacts are significant, the social impacts are arguably greater. For example, in 2019 the UK introduced the Ultra Low Emission Zone (ULEZ) in London, which has had a significant social impact on the city. The ULEZ has increased the cost of operating vehicles in the city, with the intention of reducing emissions. This has had a significant impact on the social dynamics of the city, with many low-income households feeling the financial burden of the ULEZ. Additionally, the ULEZ has led to an increase in public transport use, which has had a knock-on effect on many businesses and services that rely on car use. These social impacts are arguably more significant than the environmental impacts, as the ULEZ has only had a limited effect on reducing emissions. Therefore, it can be argued that the social impacts of climate change experienced in the UK in the 21st century are greater than the environmental impacts.

Most of the best agricultural soils in the United States are found in areas that were formerly
a. taiga forest.
b. tundra.
c. tropical rain forest.
d. temperate grasslands.

Answers

Answer:

D - Temperate Grasslands

Most of the best agricultural soils in the United States are found in areas that were formerly Temperate Grasslands.

name two examples of how native american cultures adapted to the geography and climate where they lived

Answers

The two examples of how native American cultures adapted to the geography and climate where they lived are the Navajo tribe of the Southwest and The Inuit tribe of the Arctic.

The Navajo of the Southwest adapted to the dry desert climate by developing complex irrigation and dryland farming systems. They also built their homes using traditional adobe and stone building techniques suitable for the harsh desert environment.

The Arctic Inuit adapted to the frigid and snowy climate by adopting a nomadic lifestyle that allowed them to follow herds of caribou and seals. They also used materials such as animal skins and furs to create clothing and shelters that protected them from harsh environments. In addition, they have developed hunting and fishing techniques specific to their environment, such as the use of kayaks and harpoons to hunt fish and seals.

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Which of the following wetland environments only occurs for a short period of time each year?
wetlands: soil is sat. with water and generally features shallow standing water w/ ample vegetation

Answers

vernal pools -freshwater marshes: shallow water allows plants to grow above surface -swamps: also shallow rich veg but occur in forested areas bogs ponds covered w thick floating mats of veg.

What creatures inhabit freshwater marshes?

Freshwater wetlands have extremely few trees. In marshlands, it's usual to see creatures like mink, raccoons, opossums, muskrats, beavers, frogs, turtles, and a wide variety of birds and insects. Freshwater marshes come in different shapes and sizes, from little to enormous!

Why are freshwater marshes important?

We now understand that coastal marshes are essential to the region's environmental health because they remove pollutants and nutrients from the water, shield local communities from storms and sea level rise, provide recreational opportunities, and support the reproduction of commercially valuable fish.

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Why didn't Washington want permanent alliances?

Answers

Washington was concerned that permanent alliances, rather than transitory ones formed during necessary wars, would lead America into obligations that were detrimental to our national interests.

In his first inauguration address in 1801, Thomas Jefferson mirrored Washington's advice.

As a result, it must be imprudent for us to involve ourselves in the usual vagaries of her politics, or the ordinary combinations and collisions of her friendships or enmities... it is our genuine strategy to avoid lasting alliances with any section of the foreign world; so far, I...

Washington advised citizens to be careful of foreign interference. He advocated for impartial economic treaties but opposed permanent alliance treaties, arguing that the US should honor any current accords.

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What is a logarithmic scale and why is it useful example?

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A logarithmic scale displays a value increased to the power of ten. For example, the logarithm of 10 is 1 since 10 raised to the power of 1 equals 10.

Because 10 raised to the power of 2 equals 100, 100 has a logarithm of 2, and so on.

On a log scale, for example, the numerals 10, 100, 1000, and 10000 are equally spaced since their digit count increases by one each time: 2, 3, 4, and 5 digits. Adding two digits doubles the quantity measured on the log scale by a factor of 100 in this manner.

A logarithmic scale, sometimes known as a "log" scale, is a means of charting and evaluating a wide range of values.

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What is the characteristics of Romanesque painting?

Answers

[tex]\huge\pmb{\red{A}\pink{N}\orange{S}\blue{W}{E}\purple{R}\purple{→}}[/tex]

Romanesque architecture is marked by a new massiveness of scale, and Romanesque sculpture by greater realism.

--- Characteristics

Romanesque painting is characterized by a new formality of style, largely devoid of the naturalism and humanism of either its classical antecedents or its Gothic successors.

Romanesque architecture is characterized by towering round arches, massive stone and brickwork, small windows, thick walls, and a propensity for housing art and sculpture depicting biblical scenes.

Explanation:

Hope it helps you!!

What is the best description of East Egg and west Egg?

Answers

Answer:East Egg symbolizes “old money” while West Egg symbolizes “new money”.

Explanation:

Which area of this map represents scattered settlements

A. Area A
B. Area B
C. Area C
D. Area D

Answers

Area A on the map represents scattered settlements. Therefore the correct answer will be option A

What is scattered settlement?

Settlements in dispersed villages, often referred to as scattered settlements, are dispersed over a large area. Due to the requirement for land for both agricultural and other farming activities, this settlement is typically located in rural areas. The settlement patterns are dispersed in regions with lots of forests, rivulets, and reservoirs. There are no facilities or services that are adequate. Due to its proximity to the natural world, this community is frequently regarded as pollution-free.

Scattered settlements have a variety of characteristics, such as;

These settlements have small populations, similar to small hamlets.
They rely on the centrally located villages for their day-to-day needs.

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Answer:

The correct answer is Area B!!! not a

Explanation:

B was the correct answer on my quiz

jklolololololololololol

Answers

Loooooooooooooooooool

What does the growing distinction between East Egg and West Egg suggest?

Answers

Answer:

West Egg is home to the newly rich. While West Egg has plenty of money,

they are frowned upon as many of these people came from lower classes

Explanation:

What event instigated the current population explosion?

Answers

Answer:

The Industrial Revolution

Explanation:

The advances in technology and medicine in this time saved the lives of many people. These advances caused many more people to live, meaning more people were born, this caused a rapid population increase.

The current population explosion, also known as population growth, is a phenomenon that can be traced back to the end of the 19th century and the beginning of the 20th century, with the event known as the "Demographic transition.

" The demographic transition refers to the shift from high birth rates and high death rates to low birth rates and low death rates that occurred in many countries as they modernized.During this time, improvements in public health and medicine, such as vaccination and clean water, led to a significant decrease in death rates.

At the same time, advancements in agriculture and food production allowed for an increase in food supply, which in turn led to a decrease in infant mortality and an increase in life expectancy. As a result, the population began to grow rapidly.

This demographic transition was accelerated during the 20th century with advancements in medical technology and family planning, which further lowered death rates and increased life expectancy, and made it possible for people to have fewer children, but with a better chance of survival.

As a result, the global population has grown exponentially since the early 20th century, and it is projected to continue growing for the foreseeable future.

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What did Washington include in his farewell address ?

Answers

George Washington's farewell address placed a strong emphasis on the creation of parties that would ultimately split the nation. He took this into account when he said that, if it were to be approved.

It might lead to the country's division in his parting speech.President george washington delivered several bits of advise to the nation in his farewell speech. Avoid forming political parties or factions of any kind washington thought that political parties.

Would simply exacerbate societal division among Americans. He believed that these organisations would exacerbate rather than resolve the problems. Abstain from foreign entanglements Washington wished for the US to avoid interfering in other countries' affairs. Washington believed that interfering in other nations' affairs would only lead to complications.

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How is Gatsby's house described in Chapter 1?

Answers

Answer:

A huge place

Explanation:

The cooling of basaltic magma allows ____________________ to orient themselves towards the magnetic North Pole.

Answers

The cooling of basaltic magma allows magnetite to orient themselves towards the magnetic North Pole.

Types of Magmas Basaltic Magma

Basaltic magma is magma with a SiO2 content of around 45-55%, high Fe and Mg content and low K and N content.

Andesitic magma

Andesitic magma is magma with a SiO2 content of around 55 – 65%, Fe, Mg, Ca, Na, and Medium K content.

Riolithic Magma

Riolithic magma is magma with a SiO2 content of around 65 – 75%, low Ge Mg and Ca content, and high K and Na content.

Magma Composition

99% of magma consists of 10 chemical elements, namely silicon (Si), Titanium (Ti), Aluminum (Al), Iron (Fe), Magnesium (Mg), Calcium (Ca), Sodium (Na), Potassium (K) , Hydrogen (H), and oxygen. Regarding the abundance, in general, SiO2 is the most abundant, making up more than 50% by weight of magma. Then, Al2O3, FeO, MgO, CaO make up 44% by weight of magma, and the rest Na2O, K2O, TiO2 and H2O make up 6% by weight of magma. In fact, the abundance of these elements varies greatly, depending on the character of the magma composition.

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Guidelines for maintaining a more stress-free standing position behind the chair would include which of the following

Answers

Guidelines for maintaining a more stress-free standing position behind the chair would include

!. Keep your head up and chin parallel to the floor.

2. Keep your neck elongated and balances above shoulders.

3. Lift upper body so that your chest is up and out. Don't slouch.

4. Hold your shoulders level and relaxed.

5. Stand with your spine straight.

The state of the body in which it is under the least amount of stress is known as a neutral posture.The hand, body muscles, and joints must be under very little stress. This is a body position in which the person stands with their hands on either side of their body and their thumbs facing forward.During the standing position, the hips and feet remain parallel. This is a relaxed position that is used to determine whether or not the body is relaxed.

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What is the subject of Romanesque painting?

Answers

Answer:

theological works and bibical events

Explanation:

Mrs. Morgan asked her students to consider the cross-cutting concepts between Earth’s geoscience processes of plate tectonics and energy cycling within Earth’s systems. One concept that can be considered is stability and change. Understanding how Earth can be stable for short periods of time, yet change over long periods of time, can help scientists in their work. If you were in Mrs. Morgan’s class:


How could you describe the connection between plate tectonics and energy cycling within Earth’s systems?

How could you explain these two processes exhibit the cross-cutting concept of both stability and change?

Answers

In Mrs. Morgan's class, students have been considering the relationship between plate tectonics and energy cycling within Earth's systems.

Through careful examination, it is evident that these two processes reveal the cross-cutting concept of both stability and change. Plate tectonics involve the movement of the Earth’s crustal plates, while energy cycling is the transfer of energy within Earth’s systems.

Together, these two processes indicate that Earth can remain stable for short periods of time, yet change over long periods of time.

Thus, by exploring the relationship between plate tectonics and energy cycling, students can gain a better understanding of how Earth’s stability and change are interdependent.

These two processes demonstrate the cross-cutting concept of stability and change. Plate tectonics have been relatively stable over short periods of time, despite causing major changes to the Earth's surface over long periods of time.

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QUESTION 1 Study the synoptic weather map below and answer the questions that follow HELENA GOUGH LC O220- LUANDA 160 MOCAMEDES 422 LE d 3. Pr 32 HARARE 175 LEKA 022 LEARECY MARION RECO-SUAREZ 102 7000 1.1 What season is represented on the synoptic map? Give TWO reasons to support your answer. (3)​

Answers

Answer:

snakes and li g

Explanation:

snakes and animals

What is the difference between southern farms and plantations?

Answers

A farm's primary goal was typically subsistence farming. A plantation, on the other hand, was primarily concerned with producing cash crops, with enough staple foods produced to sustain the estate's residents as well as the cattle.

Southern Farms, which is located on the original Schuitdrift farm, is now the SCMM stable's top producer. Its construction, which was started on undeveloped land, was the first farm specifically built for growing table grapes on the Orange River, producing some of the earliest table grapes in Southern Africa. On Southern Farms, the majority of cultivars are grown, with a current emphasis on novel varieties.

In addition to producing dates, Southern Farms is poised to grow into one of the Southern Hemisphere's largest date farms. Dates such as Medjool and Zamli are grown.

Cash crops may be grown with great success in the South thanks to its environment. Plantations, as opposed to tiny, subsistence farms, were built to raise cash crops for the market. The plantation system was a forerunner of capitalism.

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What two things did Washington warn about in his farewell address ?

Answers

Washington cautions the public that political factions may endeavor to block the implementation of the government's legislation or to prevent the branches of government from executing their constitutionally granted functions.

In this letter to "Friends and Citizens," Washington cautioned that the forces of geographical sectionalism, political factionalism, and foreign involvement in internal matters jeopardized the republic's stability.

George Washington indicated in his Farewell Address that he would not seek a third term as President. --> Warns of the threat to national unity posed by the emergence of political parties and sectionalism.

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"A student made the following chart to prove that AB2 + BC2 = AC2.

Statement Justification

1. Triangle ABC is similar to triangle BDC 1. Angle ABC = Angle BDC and Angle BCA = Angle BCD

2. BC2 = AC × DC 2. BC ÷ DC = AC ÷ BC because triangle ABC is similar to triangle BDC

3. Triangle ABC is similar to triangle ABD 3. Angle ABC = Angle BAD and Angle BAC = Angle ABD

4. AB2 = AC × AD 4. AB ÷ AD = AC ÷ AB because triangle ABC is similar to triangle ABD

5. AB2 + BC2 = AC × AD + AC × DC

= AC (AD + DC)

6. Adding Statement 1 and Statement 2

7. AB2 + BC2 = AC2

Which of the first four steps is the error?"

Answers

Answer: There is no error in the first four steps. These steps are correctly stating and applying the properties of similar triangles. Specifically, if two triangles are similar, then their corresponding sides are proportional. This means that if we let AC/AB = x and AD/BC = x, then we can write AC/AB = AD/BC. From this, we can obtain the proportionality relationship AC/BC = AD/AB. This proportionality relationship can then be squared to obtain AC^2/BC^2 = AD^2/AB^2, which is equivalent to BC^2/AC^2 = AB^2/AD^2.

Explanation:

which of the following surfaces would soil erosion most likely take place?

Answers

Soil erosion mostly take place at moist place containing high rainfall and Deserty area


Submit a 1 page (double spaced; Times New Roman font) summary of a current event in the sports world. Remember to cite the original articles origin (news paper/website) and author. Below is the rubric used to grade this assignment.

20-19:

● Clear explanation of the article
● 1 page in length
● Proper source
citation

Answers

This estimated articles is based on the rule of thumb that one page should include 500 pages (single spaced) or 250 words (double spaced).

What kinds of articles are there?

A, an, and the the three articles used in English. A sort of adjective, articles are used before nouns or their counterparts. The definite article (it) is put before a noun to demonstrate that the viewer is cognizant of word's identity.

What exactly is an article?

A piece of literature intended for a broad readership is called an article. The primary goal of writing an article is to have it published in journals such as newspapers, magazines, or journals in order to change the world. It may be the interesting subjects.

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A glass dish containing a few drops of water in the presence of carbon dioxide gas, nitrogen gas, and small organic compounds is heated by a flame and UV radiation. Which early Earth scenario does this set-up most closely resemble

Answers

Other options for the question were:

A. amino acid formation from organic molecules in ocean water splashing on a hot rock, sand, or clay.

B. deep sea volcanoes give off gases, sulfur, and iron to produce organic molecules.

C. lightning in the early atmosphere may have produced the first organic molecules.

D. the replication of RNA near the ocean's surface in the day and night cycling of temperatures.

The correct answer is amino acid formation from organic molecules in ocean water splashing on a hot rock, sand, or clay (A).

This experiment shows that life has evolved from inorganic materials. Substances like carbon dioxide and nitrogen gas, when heated and exposed to UV radiation, led to the generation of life-supporting elements called amino acids. The UV radiation and heat provided the energy needed by gases to convert into amino acids.

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According to those who believe nonfiction writers have an ethical responsibility to the truth, figurative language and symbolic references have no place in nonfiction. A. True B. False Sarah competes in a long jump competition. Her first jump is 4.25mHer best jump is 12% more than thisHowever her best jump is 15% lower than the winning jumpWork out the length of the winning jump Your credit card company quotes you a rate of 14.6 percent, compounded daily. What is the actual rate of interest you are paying (a) List the main functions of CU and ALU. [4](b) Write the logical steps taken by a computer system along with the roles ofits main units in each step while transforming input data to usefulinformation. Work out the circumference and area of the circular piee of glass needed for the top of a display cabinet which has a diameter of 1.8m. Use #=3.14? Circumference = in m and Area = in m2 Select all the pairs of operations that have inverse relationships. Why do the fourth and fifth periods contain 18 elements rather than 8 as observed in the second and third periods? in order to catch a ball, a baseball player moves his or her hand backward in the direction of the balls motion. doing this reduces the force of impact on the players hand principally because....a.) the time of impact is decreasedb.) the time of impact is increasedc.)the velocity of the hand is reducedd.) the momentum of impact is reducede.) none of the above Cite the three major problems with consumer interviews or surveys and provide an example of each. 9.0 mol al reacts with 6.0 mol O2 to form Al2O3. According to the reaction below: 4Al+3O2=2Al2O3. How many moles of Al2O3 form from 6.0 mol al? If given the following scenario: The half-life of Sodium-24 is 15hours. If you start with 352 grams of Sodium-24 how much wouldbe left after 8 days?0.049 gramsApproximately 0 grams1.375 grams95.965 grams Why parallel algorithm is better than a sequential algorithm? 7. Which of the following is the definition of identity?O Elements of a person that make them just like everyone else.The specific features of a person.O Elements of a personality or heritage that make a person a unique individual.8. Which of the following are elements of a plot? When office-based services are performed in a facility, such as a hospital or outpatient setting, payments are reduced because the doctor did not provide supplies, utilities, or the costs of running the facility. This is known as the __________ differential. Hi Can someone give me a good explanation of what happens on a constructive plate boundary and also give me an example of constructive plate boundaries Calculate $0^5 + (-1)^4$. 77:9 =nt :is there anyone named christina mansell? U.S. National For1. What is the role of the Forest Service? What controversy surrounds its practices? Kenneth opened a savings account and deposited $300.00 as principal. The account earns14% interest, compounded annually. What is the balance after 8 years?Use the formula A = P1+P(1 + r/n)", where A is the balance (final amount), P is the principal(starting amount), r is the interest rate expressed as a decimal, n is the number of times peryear that the interest is compounded, and t is the time in years.Round your answer to the nearest cent. What area of glass is needed to support a mass of 1000 kg if the glass can withstand a maximum pressure of20kPa?