Based on South Africa's population and its area, the average population density would be 41 people per square kilometer
What was South Africa's population density in 2012?Population density can be found by:
= Population of area / Area
Solving gives:
= 50,000,000 / 1,219,090
= 41 people per square kilometer
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What is the main cause of air pollution give four examples of activities which contribute to this cause?
The unchecked growth of economic activity, particularly in cities, with the rise in the improper disposal of tailing from the sewage system, sanitation, is the primary cause of water and air pollution.
Another factor mentioned is the population's improper disposal of trash, which includes throwing items into streams out of a complete lack of environmental awareness. The four effects of air pollution on the human body are as follows: Itching and redness in the eyes: This is a fairly common sign of air pollution that is easily observed in humans. The inflammation in the eyes is what causes the redness and itching. Coughing: Inflammation in the bronchi can also lead to coughing. Coughing commences when the mucous that has been secreted comes into contact with some foreign substances. Sneezing: When dust particles come in contact with the nasal passage's mucous secretion, sneezing results. Nausea: Gases that generate air pollution can make some people feel queasy.
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th over 20 million people, is the world's third-largest urban area. Los Angeles Guatemala City Mexico City New York City
Mexico City, with over 20 million people, is the world's third-largest urban area.
What is Mexico City?
According to statistics, Mexico City in Mexico is the administrative and cultural capital and largest city of the United Mexican States and doubles as the most populous city in North America.
Mexico City's population is more than 20 million. Mexico City boasts of more than 180 museums and is second to London in museum assets.
Mexico City became the 32nd state in Mexico. Before 2016, Mexico City was only a federally-administered territory.
Thus, Mexico City, with over 20 million people, is the world's third-largest urban area.
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Below is a list of geographical features. Each one of them is an example of one of the words below. Match one location with the appropriate word it exemplifies.
Decolonization promised not only national freedom but also personal dignity, abundance, opportunity and prosperity.
What is Decolonization?
Decolonization marked a dramatic change in the world's political architecture, as nation-states triumphed over the empires that had structured much of African and Asian life in the nineteenth and early twentieth centuries. It mobilized millions of people, thrusting them into political activity and sometimes into violence and warfare. Decolonization signaled the declining legitimacy of both empire and race as credible bases for political or social life. It promised not only national freedom but also personal dignity, abundance, and opportunity.
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Question:
The process for independence or decolonization marked a dramatic change in the world's political structure. What did decolonization signal?
Final warming during the Late Paleocene led to the warmest climate in the past 65 million years. This rapid warming about 55 million years ago was likely caused by the melting of
Final warming during the Late Paleocene led to the warmest climate in the past 65 million years. This rapid warming about 55 million years ago was likely caused by the melting of methane hydrates.
Global temperatures have risen by 5-8°C. The onset of the Paleocene-Eocene thermal maximum is associated with volcanic activity and uplift associated with the North Atlantic magmatic region, causing extreme changes in the global carbon cycle and significant increases in temperature.
A period of severe global warming 55 million years ago was caused by not one but two injections of greenhouse gases into the atmosphere. The rate of increase suggests that ancient warming events could have important lessons for today's climate.
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hy can someone help me out? I'd really appreciate it! answer it all
Answer:
1. ph units
2. potential hydrogen
3. the minerals it contains
4. pressure
5. sandy soil
6. loamy
7. a stone
8. acidic, basic
9. organic
10. pH
someone please answer this for me
If polaris lies directly in line with the horizon, what is your approximate latitude? what is the name commonly given to the latitude where you are located?
Answer:
The answer is 5 degrees (I assume you mean north) latitude, as other responders have said. And you can even see Polaris from south of the equator. The question is, “from how far south?”
Explanation:
lol
Latitude may be determined for every location between the Equator and the North Pole by counting the degrees Polaris is above the horizon at that location: at 30°N, it is 30° above the horizon; at 63°N, it is 63° above the horizon; and so on.
What is the main line of latitude?Equidistant from the North and South Poles, the equator denotes the locations on the globe. The only latitude line that is a large circle is the equator; all other latitude lines are small circles.
30 degrees above the horizon in the north is where Polaris can be found. Up until the voyager reaches the geographic North Pole rather than the magnetic North Pole, this pattern holds. Polaris appears straight overhead at this latitude, 90 degrees north, where it is 90 degrees above the northern horizon.
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Please help fast Using four or more complete sentences, explain why new technologies are making physical features less of a challenge when creating and changing national boundaries.
New technologies reduce the challenges of physical functions creating boundaries. Many new techniques have been developed to overcome these barriers. Mountain ranges, for example, were once impassable barriers. Now we have the technology to fly over and through the mountains.
We have developed a heating and cooling system that allows us to live in extreme climates such as the desert and the Arctic Circle. We are also building dams that can live near water sources and store water where water is scarce. These technologies allow people to create barriers for political reasons rather than physical challenges.
By 2022, multi-core will be everywhere, from wearable systems and smartphones to cameras, games, cars, cloud servers, and exa-supercomputers.
Silicon Photonics is a fundamental technology for addressing bandwidth, latency, and power challenges in the construction of high-end systems.
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When a heterozygous round seeded plant is crossed with a recessive wrinkle seeded plant the round and wrinkled phenotypes will appear in F1 in the ratio?
125 plants will have photogenically wrinkled seeds after the cross of two heterogeneous plants with round seeds.
The heterogeneous parent will be RR, which is a photogenically dominant round seed, while R is the dominant trait for round seeds and r is the recessive trait for wrinkled seeds. The following information is acquired when plants are crossed: RR: 1/4, round seeds, R as the main character. RR: 2/4; R is the dominating character; round seeds. RR:1/4 - R missing - wrinkled seeds, dominating character. Therefore, a plant with both recessive gametes will have recessive character present, and 1/4 or 25% of the plants generated will be seed plants with wrinkles. Given that there were 500 plants total, there will be 25 plants with wrinkled seeds out of 500. Thus, 125 of the plants will be seedlings with wrinkles.
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The moment magnitude is based on the ___________ and ___________ of the earthquake.
The moment magnitude is based on the amplitude and displacement of the earthquake.
An earthquake's magnitude can be determined in a variety of ways. The amplitude of seismic waves measured by seismometers serves as the basis for the majority of scales. Since these scales take into consideration the distance between the earthquake and the seismometer used to record it, the computed magnitude should be roughly the same everywhere it is observed. A different scale is based on the size of the earthquake fault physically and the quantity of slip that took place. Intensity measurements for earthquake shaking are also available. From one earthquake's epicenter to another, its intensity varies substantially.
Because it can be used globally and covers a greater range of earthquake sizes, the moment magnitude scale, abbreviated MW, is recommended nowadays. On the total moment release of the earthquake, the moment magnitude scale is based. Moment is a function of the fault's movement's distance and the force needed to move it. It is produced from earthquake recordings made at various places using modelling. For mild to big earthquakes, Richter magnitudes and moment magnitude estimations are similar.
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What weather phenomena live for a few days or more, have individual characteristics and personalities, and are therefore named after humans
Hurricanes weather phenomena live for a few days or more, have individual characteristics and personalities and are therefore named after humans.
A hurricane is a tropical storm with winds that have reached a consistent velocity of 74 miles per hour or greater. the eye of a storm is normally 20-30 miles wide and can extend over 400 miles. The risks of a typhoon consist of torrential rains, high winds, and typhoon surges.
A hurricane becomes a typhoon while sustained winds attain at the very least 74 miles in keeping with hour. The NHC said Isaac will improve to storm repute with "extremely risky" sustained winds of a hundred and five miles according to an hour in the direction of the center of next week.
Hurricanes are powerhouse weather occasions that suck warmness from tropical waters to fuel their fury. these violent storms shape over the ocean, regularly beginning as a tropical wave—a low strain location that actions via the moisture-wealthy tropics, possibly improving shower and thunderstorm hobby.
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The point within earth where an earthquake occurs is called the , and the point on earth's surface directly above this location is called the .___________.
Why people living in LICs may end up working more with raw materials?
Answer:
People living in less developed countries, or LICs, may end up working more with raw materials because they often lack the resources and technology to process them into finished goods. This means that they must rely on manual labor to extract, process, and transport the raw materials. Additionally, the lack of infrastructure and access to capital can make it difficult for businesses to invest in the necessary machinery and equipment to process raw materials into finished goods.
Explanation:
What is the EPA role in monitoring air quality?
The Environment Protection Agency has an active role in maintaining good air equality and preventing hazardous polluting activities.
EPA stands for (Environment protection agency) and operates a nationwide air monitoring network to measure the primary air pollutants which are: carbon monoxide, lead, sulfur dioxide, ozone, nitrogen dioxide, and particulate matter (PM10 and PM2.5) as part of its mission to protect human health and the environment.
EPA scientists develop and evaluate methods for accurately and reliably measuring these pollutants in outdoor air. These methods are called Federal Reference Methods (FRMs) and are used by states and other monitoring organizations to assess implementation actions needed to attain the federal Clean Air Act’s National Ambient Air Quality Standards (NAAQS). FRMs are the Standard of air pollution monitoring systems and they ensure air quality data collected at different sites are gathered in the same manner and are accurate.
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The system of imperialism (why Imperialism is when a country takes over other parts of the world. This usually happens by force. The people who already
live there don't get a choice. But what motivated imperial nations to take over other parts of the world?
How does this article define imperialism?
O Imperialism is when one country takes over and rules other territories in the world
Imperialism is when colonies have a choice to be a part of an empire
O Imperialism usually happens peacefully
O Imperialism is when a country is ruled by a dictator
G
Answer:
A) Imperialism is when one country takes over and rules other territories in the world
Explanation:
Imperialism is when a country or nation seeks to extend its economic, political, and cultural influence over other parts of the world. This can happen through various means, such as military conquest, economic domination, or political manipulation. The motivation for imperial nations to take over other parts of the world can vary, but it is often driven by economic interests, such as access to resources and markets, or by a desire for political power and prestige. Imperialism is often characterized by a sense of superiority and a belief in the right of the imperial nation to control and rule over other peoples and territories.
Can someone help me, please?
1. The United States is an example of a democratic republic. Option 3
2. Britain's parliamentary system is similar to a republic because decision makers are elected by the citizens. Option 2.
What is a democratic republic?The concept of a democratic republic incorporates both republicanism and democracy. This implies that citizens may participate in choices that have an impact on how their community is run. There is no king or queen.
The United States was declared a democratic republic by the Constitution. It is a republic because the authority of the government comes from the people, and it is democratic since the people rule themselves.
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Desert pavement refers to Group of answer choices surfaces of concentrated pebbles and gravels. surfaces that evidently were not affected by the 1991 Persian Gulf War. specially constructed roadbeds in dry and hot regions. sand-covered surfaces.
The Gulf warfare changed into concentrated pebbles and gravels. the result of the aggression of Iraqi leader Saddam Hussein,attempted to take over Kuwait in August 1990.
The Persian Gulf region produces almost one 1/3 of the arena's oil and holds over half of the world's crude oil reserves in addition to a giant portion of the world's herbal gasoline reserves.
Cemented gravel and pebbles shape a sedimentary rock called conglomerate. synthetic cemented rocks (sand and gravel) are known Cemented sand forms sandstone and dust-sized make and siltstone. The form of cement also helps classify sedimentary rock analyze extra approximately Persian Gulf.
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Can someone help, please?
Answer: Number 1, A
Number 2, A
What are the small bits of rock and metals that collide with earth's atmosphere?
a meteor is an asteroid offer object that burn and vaporize upon entry into the earth atmosphere meteor are commonly known as shooting stars if a meteor survive the plung through the atmosphere and land on the surface it is known as meteorite meteorite it's known as a categorise and iron ore stone
A man wearing warm clothes in a cold place would be an example of how humans
A)adapt to their environment.
B)affect their environment.
C)can change their environment.
D)choose where to live.
The ability of an organism to camouflage with its environment is an example of a(n):______.
Answer:
adaptation
Explanation:
The exact definition of adaptation is :
the process of change by which an organism or species becomes better suited to its environment.
This is basically what the question says and I therefore believe this is the answer
Hope this helped and have a good day
what would be indicators that the population of humans on earth has reached its carrying capacity-
The population of humans on earth has reached its carrying capacity or the maximum number of individuals an environment can support over time without destroying or degrading it, is determined by several key factors. Food availability, water, and space
The impact of so many people on the environment Two major forms follow
the consumption of resources such as land, food, water, air, fossil fuels, and minerals. Consumption-related waste such as air pollutants, water pollutants, toxins, and greenhouse gases.Population growth is the growth of the population on earth. For most of human history, our population is relatively stable. However, innovation and industrialization have made energy, food, water and medical supplies more accessible and reliable.
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On which planet in our solar system does summer last 42 years?
a. Uranus
b. Saturnus
c. Earth
d. Mars
Moving freshwater that carries sediments from land toward the ocean can be classified as?
Moving freshwater that carries sediments from land toward the ocean can be classified as estuary.
Sediment is a substance that is formed when rocks are broken down by weathering and erosion processes and then moved by the force of gravity acting on the particles or by the action of wind, water, or ice. Sediments can be classified on the basis of its size of grain, shape of grain, and composition.
Estuaries and the wetlands that surrounds them are bodies of water usually found where rivers meet the sea. An estuary is a coastal water body where freshwater from rivers and streams mixes with salt water from the ocean.
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What type of professional would use ice-core samples, rocks, and mud layers to find evidence of contaminates like radiation, chlorine, mercury, and coal exhaust?
Geologist would use ice-core samples, rocks, and mud layers to find evidence of contaminates like radiation, chlorine, mercury, and coal exhaust.
Ice cores are ice cylinders that have been extracted from glaciers and ice sheets. They effectively serve as frozen time capsules that enable researchers to recreate former climates and the changes. Ice core layers are arranged according to years and seasons, with the newest ice at the top and the oldest at the bottom.
Geologist collects the ice cores all over the planet to research regional climate variability and to compare and contrast that variability with signals from the global climate. Ice cores, or samples taken from the ice, provide a history of our planet hundreds of thousands of years ago.
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a bakery offers a sale price of $3.15 for 6 muffins. what is the price per dozen?
Answer:=$37.8
Explanation: $3.5x6
=$18.9
price per dozen
$18.9x2 = $37.8 answer
A great stimulus to development and immigration in australia was the ________ of the 1850.
A great stimulus to development and immigration in Australia was the gold rush of the 1850.
In history, one of the biggest gold rushes was started in New South Wales, Australia, in 1851. Where hundreds of thousands of "diggers" from other parts of Australia, Poland, Great Britain, Germany, and even California sought their fortunes and redefined Australia's national identity.
Within a year, more than 500,000 people rushed to the gold fields of Australia. Even more immigration took place, as people arrived from other parts of Australia too. Wages in the region doubled, more and more people wanted to seek their fortune in the gold fields.
Hence, a great stimulus to development and immigration in Australia was the gold rush of the 1850.
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If Earth did not rotate while other conditions remained the same, which way would the surface winds blow
The surface winds blow : From pole to equator
INTERPRETATION-
If the Earth did not rotate on its axis, it would still experience one complete day every year so any point on the equator would be in sunshine for half the year and in darkness for the other half. If the axis of the Earth was also tilted as now, there would also be a curved line on the surface (rather like a sine wave) crossing the equator twice and touching each or the two tropics at one point which would mark out places which would, at some point in each year/day, have the Sun directly overhead. Those points would be the most extreme.
With one half the Earth in Sun at any one time and the other in darkness there would be enormous temperature differences and this would surely result in some incredible weather. It could well be that the oceans on the “dark side” freeze over every “night”.
Therefore, we can conclude that the correct option is B.
Your question is incomplete, but most probably your full question was:
If Earth did not rotate while other conditions remained the same, which way would the surface winds blow?
A. From hot to cold
B. From pole to equator
C. Both a and b.
D. None of the above.
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the stratosphere is the layer of the earths atmosphere that is more than 10 km and less than 50 km which of the following inequalties
The correct option is (D) |x - 30| < 20.
What is stratosphere?A part of the atmosphere on Earth is called the stratosphere. As you ascend, it is the second layer of the atmosphere.
The stratosphere is immediately followed by the lowest layer, the troposphere. The mesosphere is the stratosphere's superior layer after that.
Calculation for the inequalities given for the stratosphere layer:
According to the question,
The stratosphere is the layer of the Earth's atmosphere that is more
than 10 kilometers (km) and less than 50 km above the Earth's surface.
Consider option D.
|x - 30| < 20
The two cases for the modulus function will be-
Case 1: For positive value of modulus function.
+ (x - 30) < 20
x - 30 < 20
x < 20 + 30
x < 50; which satisfies the condition the stratosphere is the layer less than 50 km above the Earth's surface.
Case 2: For the negative value of modulus function:
- (x - 30) < 20
- x + 30 < 20
30 - 20 < x
10 < x (or)
x > 10; which satisfies the condition the stratosphere is the layer is more
than 10 kilometers (km) .
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The correct question is -
The stratosphere is the layer of the Earth's atmosphere that is more
than 10 kilometers (km) and less than 50 km above the Earth's surface
Which of the following inequalities describes all possible heights x, in
km, above the Earth's surface that are in the stratosphere?
A) |x + 10| < 50
B) |x-10|< 50
C) |x + 30|< 20
D) |x - 30| < 20
ach of the letters on the map above marks a body of water in Southeast Asia. Which two letters represent gulfs
(A) A and B are the two letters that represent gulfs.
What are gulfs?A gulf is a large inlet from the ocean into the continent, usually having a narrower opening than a bay, however, this is not always the case in all geographical places thus named. The term gulf was traditionally applied to huge, indented areas of saline water surrounded by a coastline. Many gulfs, including the Persian Gulf, Gulf of Mexico, Gulf of Finland, and the Gulf of Aden, are important shipping lanes. The United States Gulf Coast, often known as the Gulf South, is the coastline that runs along the southern United States where it meets the Gulf of Mexico.Therefore, (A) A and B are the two letters that represent gulfs.
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Complete question:
Each of the letters on the map above marks a body of water in Southeast Asia. Which two letters represent gulfs?
A. A and B
B. B and C
C. C and D
D. A and C