Earth's first atmosphere was composed of mainly which of the following gases?
O hydrogen and helium
O carbon dioxide and oxygen
O nitrogen and oxygen
O carbon monoxide and ozone

Answers

Answer 1

Answer:

A

Explanation:

Hopefully this helps


Related Questions

The end of a river or stream is the _____.

Answers

Answer: Mouth.

Explanation:

Answer:

Mouth

Explanation:

The end of a river or stream is the MOUTH. Some rivers end in a fan-shaped series of small creeks, that is called a "delta". Whereas, the beginning of the river is called is the "headwater". Hope this answers your question.

HELP! I GIVE 13! What percent of the world’s oysters are found in Russia?

A. 20%
B. 60%
C. 90%

Answers

Answer:

i beleive the answer is b if wrong im so sry

Explanation:

The percent of the world’s oysters are found in Russia is about the 60%.

What are oysters?

Oyster is defined as the common term that is used to denote for a variety of salt-water bivalve shellfish family unit that hang in marine surroundings.

The structures of orientated species of the Oyster are to a great extent hardened, and some other Oyster are irregular in shape. Russia is mostly covering that, home to around 60% of the world's oysters.

Therefore, option B is correct.

To learn more about the oysters, refer to:

https://brainly.com/question/16495481

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You're going to South America on short notice, a place you're not familiar
with. What can you do to learn from and adapt to the situation?
Check all that apply.

A. Call your friends back home every day

B. Make the most of your trip

C. Put yourself in other people's shoes

D. Ask questions

Answers

Answer:

I guess B. Make the most of your trip

Hope it will help you..........

D, ask questions to familiarise yourself with the environment!

Just as climate has affected the settlement and agricultural activities of humans, likewise, humans have extensively modified the physical environment. Such modifications have been facilitated by globalization and urbanization. Human action such as the operation of industrial plants and power generating facilities has increased acid precipitation. Acid rain has the potential to damage forests, kill fish, and damage lakes. Excessive use of water is depleting ground water systems and creating water resource shortages.
1. Reset the map.
2. Select Water Resources Vulnerability. Select Acid Rain (U.S) and Split map window.
Compare the two maps and determine which statement is true.
A. Both acid rain and water resource vulnerability are extremely high for the Midwest.
B. Whereas the Southwest generally has extremely high water resource vulnerability, acid rain is a major issue on the East Coast.
C. Both acid rain and water resource vulnerability are extremely high for much of the East Coast.
D. Both acid rain and water resource vulnerability remain an issue for much of the Southwest
E. Whereas the East Coast generally has extremely high water resource vulnerability, acid rain is a major issue in the Southwest.

Answers

Just a patreob will make it come true

The statement which is true is that, "Whereas the Southwest region in U.S. generally has extremely high water resource vulnerability, acid rain is a major issue on the East Coast."

What do you mean by water resource vulnerability?

The water resource vulnerability is defined as the tendency of water resource systems to break down because of the external influences. Vulnerability of water resources includes two aspects- sensitivity and adaptability of water resource systems to external driving factors.

The water resource vulnerability includes vulnerability of water quality and quantity. Thus, because of the climate change and human activities, human society is facing water resources shortage, frequent natural calamities, and a series of problems which leads to the increase in the vulnerability of water resource systems.

What is acid rain?

Acid rain is a form of precipitation which is unusually acidic, with acidic components such as sulfuric or nitric acid which falls to the ground from the atmosphere in wet or dry forms. This includes- rain, hail, snow, fog, or even dust that is acidic.

Which part of the U.S. is most affected by water resource vulnerability?

The part of the United States which is most affected by water resource vulnerability is the Southwestern region of United States. This region stemmed mainly from consumptive uses whereas the vulnerability in watersheds of the southern US was due to changes in flooding, water quality issues, and other uses.

Which part of the U.S. is most affected by acid rain?

The region of the United States which is most affected and harmed by acid rain is the East Coast, including the Appalachian Mountains and the Northeast Some.

Thus, acid rain occurs naturally, but when sulfur dioxide and nitrogen oxide emissions from smokestacks combine with rain they tend to make sulfuric and nitric acid in amounts which harm the environment.

Hence, option B is correct.

To learn more about water resource vulnerability and Acid rain here:

https://brainly.com/question/22143130

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PLEASE HELPPP IM TIMED
What is the source of water for the Amazon Basin?​

Answers

Answer:

Mantaro River

Explanation:

The source of the Amazon River has been attributed to the headwaters of three different Peruvian rivers in the high Andes: the Marañón, the Apurímac, and the Mantaro. Explorers and scholars have identified each of the three rivers as being the source of the Amazon under one of the three definitions.

Mantaro river is the correct answer.

Good luck and have a great day :)

answer asap
thanks
Horticulturists live near their crops to give them:

protection
fertilizer
water
magic

Answers

The correct answer is protection.

Answer:

a) protection

Hope it will help you.......

what's the benefit of using compromise projection like the Robinson projection ​

Answers

Answer:

The Robinson projection minimizes distortion throughout most of the map. Although the Robinson projection is not conformal, the shapes that you can find within about 45° either north or south of the equator are generally represented with accuracy.

plz mark me as brainliest dear

Compromise projections hand over the concept of utterly conserving metric properties, seeking instead to strike a balance between distortions, or to easily create things look right. Most of those styles of projections distort form within the polar regions quite at the equator.

hope it helps!

im am very confused there is no evidence to these answers ‍

Answers

Answer:

C. comes from the sun

Explanation:

In the 3rd paragraph, it shows that one example of renewable energy is solar energy. Solar energy comes from the sun. The text also says that The sun doesn't disappear when you use a solar panel, so solar energy is renewable.

Weather on the western edge of which continent is most likely to be affected by an El
Nino event -
A. Africa
B. Australia
C. North America
D. Greenland

Answers

Answer:

North America

Explanation:

Hope this helps! :D

Will give brainliest

In 2014, Russia occupied and subsequently annexed this portion of the
Ukraine with relatively no resistance?*l

A. Italian Peninsula
B. Armenian Peninsula
C. Crimean Peninsula
D. Balkan Peninsula

Answers

Answer:

the answer is Crimean peninsula

Answer:

Crimean Peninsula in Ukraine  

Explanation:

Russian Expansion and Political Interference

After the Cold War ended, the United States and its European allies began to view Russia as less of a security concern. Instead, they looked for ways to cooperate politically and economically with the former adversary. This period of relative peace was broken in 2014 when Russian military forces moved into and occupied several eastern Ukrainian provinces and the region of Crimea. Russia has taken on a more aggressive role in the world, largely under the leadership of Vladimir Putin.

Putin, a former KGB foreign intelligence officer, rose to power and became prime minister and president of Russia. Putin has used his power to increase Russia's economy and has sought to regain the former glory and power of the Soviet Union. The standard of living has risen under his regime, and he is thought to be widely popular. However, there's also a question as to how reliable Russian elections and favorability ratings are. Free speech continues to be limited in Russia, and protests are discouraged through increased fines and even prison time. Corruption has become more widespread, as well. Russia spends proportionately more on its military than the United States. Cyber-warfare and espionage form one of the nation's most effective means of attack. The FBI has confirmed that Russia was responsible for intervening in the US 2016 election. In 2020, President Putin ordered amendments to the Russian constitution that would allow him to remain in power past term limits until 2036, signaling that Putin's Russia will continue to be a force to resolve.

Solve for x 6x-23. 4x+9

Answers

Answer:

x=7/12

Explanation:

6x-23.4x+9 . means ×

so 6x-23.4x+9=6x-23×4x+9

=6x×4x-23+9=0

=24x-14=0

=24x/24=14/24

x=7/12

Which of the following describes how scientists separate the chemical layers of the Earth?

Group of answer choices

A Based on how the layers interact with each other

B Based on the atoms and molecules in each layer

C Based on the color of each layer

D Based on the size of each layer

Answers

Answer:

b : based on the atoms and molecules in each layer

South Korea is located between which lines of
longitude?
O about 34 to 39 degrees north
O about 126 to 130 degrees east
O about 127 to 129 degrees west
O about 34 to 39 degrees south

Answers

It would be B because long. Is up and down so A and D are incorrect and C is incorrect because there is a tiny portion that goes over 129

Hope this helps

Have a great day/night

5.8.5(A) All matter is made of atoms. Which drawing shows the correct relationships between the three basic parts of an atom?

Answers

Answer:

Cant answer

Explanation:

No picture is included

The Bible does not teach that all men are equal.



True or False


Fishing communities are usually nomadic.



True False



Joking, greetings, family, and music are cultural universals.



True or False



and pic below


Whoever completes all of this right, gets brainliest!!!

Answers

False false true true

Answer:

please mark as brainliest

Explanation:

i think so

true

true

Even though you are getting closer to the sun as you ascend into the troposphere, why does the temperature drop?

the lower atmosphere is heated by the ground
warm air stays below cold air
the troposphere is a stable layer
ozone blocks the sunlight

Answers

Answer:

hope it's the right answer:warm air stays below cold air

Explanation:

warm air stays below cold air:the troposphere is heated from the ground, so temperature decreases with altitude. Because warm air rises and cool air sinks.

the lower atmosphere is heated by the ground:*the troposphere is heated from the ground*

the troposphere is a stable layer:*the troposphere is unstable*

ozone blocks the sunlight:*in the stratosphere, temperature increases with altitude.The stratosphere contains the ozone layer, which protects the planet from the Sun’s harmful UV radiation*

Answer:

the lower atmosphere is heated by the ground

Explanation:

Thats what i put and it was correct lol

What percent of the planet's surface is covered with water?

Answers

71 % searched it on google :)

The Earth's _______ retains the atmosphere from dissipating into space.
plz help
thx

Answers

Answer:

Earth's gravity

Explanation:

Earth’s gravity is strong enough to hold onto its atmosphere. 

Answer:

gravaity

Explanation:

Which of the following is a characteristic shared by both Brazil and Mexico?
A.
A prime minister is the head of government.
B.
Corruption and high crime rates are a serious challenge.
C.
There is no freedom of religion or freedom of speech.
D.
Citizens first get the right to vote at age 21.


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

c

Explanation:

Answer:

i think C

plz correct me if wrong

Explanation:

Where are the most Inuit people the

Answers

Answer:

Inuit are an Indigenous people living primarily in Inuit Nunangat. The majority of our population lives in 51 communities spread across Inuit Nunangat, the Inuit homeland encompassing 35 percent of Canada's landmass and 50 percent of its coastline.

Explanation:

the Inuit homeland encompasses 35% of Canada's land-mass and 50% of its coastline

Which plate will feel stress in the form of compression?

oceanic plates diverging


a central fault in a continental plate


oceanic and continental plates at a transform boundary


an oceanic and continental plate converging

Answers

Answer:

Compressive stress happens at convergent plate boundaries where two plates move toward each other, so the answer is D

Explanation:

c is the answer: oceanic and continental plates at a transform boundary

Which climate can be found in northern Canada ?
O
Desert
O Subarctic
Subtropical
tropical

Answers

The answer would be subarctic


A lack of skilled workers is an example of
a. a problem in developing nations in Southeastc.
Asia
b. a problem that has recently been solved in d.
Southeast Asia
the reason industry has grown rapidly in
Southeast Asia
none of the above

Answers

the answer is a I just took that quiz hope this helped

STORM AIREA 51 SEE them alions lolz means DON'T DO IT

Answers

Answer:

Kk

Explanation:

The tundra covers about 40 percent of Russia.

Question 5 options:
True
False

Answers

Answer:

False

Explanation:

"The tundra occupies the parts of the subregion that are farthest north and covers about 10 percent of Russia."

Answer:

It would be false

17. The surface of planets in the solar system have many craters caused by the
impact of meteors. How does this provide information about Earth's early
history? *

Answers

Answer:

       The moon's surface serves as a time capsule, helping us to uncover Earth's history. This innovative method uses the rockiness of large craters' ejecta as an alternative means for estimating the ages of Copernican craters (those younger than one billion years old)

Explanation:

hope this helps!

An impact crater often form on a planet's surface. Caters do provide information about Earth's early history. when one look at the Planetary Deep Past , the impact craters helps scientists to study a planet's geological history.

The study can be done through the records that are buried beneath the surface. In course of an impact, buried material is removed or pushed out while outward pressure eject the rock at the crater's edge upward, creating a rim.

Craters are made by the hit off of a meteorite with the Earth or another planet or moon. This are known as impact craters.

The craters caused by impacting objects show information about the age of a planet's surface and the nature and make up of the planet's surface.

Learn more about impact craters from

https://brainly.com/question/7012368

How did the Spanish rule and come to an end?

Answers

Answer:

This was the time of the reign of King Philip II of Spain, whose name has remained attached to the country. The Spanish colonial period ended with the Philippine Revolution and Spanish-American War in 1898, which marked the beginning of the American colonialization of the Philippines.

Answer:

At the end of the century most of the remaining Spanish Empire ( Cuba, Philippines, Puerto Rico and Guam ) was lost in the Spanish American War in 1898.

P.S:

remember me?? We are friends.. haven't talked in a while

( hope this helps )

What types of pollution in the Great Lakes has human activity caused? Check all that apply.

1.industrial waste
2soil erosion
3.sewage disposal
4.runoff
5.air pollution

Answers

Answer:

1 Industrial waste we have factory's along our rivers that dumped chemicals into the rivers that now is in the great lakes

2 soil erosion over the past few years Soil has started to erode at the lake shores and making many homes cave in  

Explanation:

I live in Michigan so this should help you out

Answer:

was the guy on top's answer right?

Explanation:

how traditional beliefs led to spaserly population?​

Answers

Answer:

The traditional beliefs led to sparsely population is explained below in details.

Explanation:

A custom is a belief or practice established down within an organization or society with figurative meaning or particular importance with roots in the past.

A basic source of population increase that addresses this rural-to-urban transformation states that as nations urbanize and industrialize, household size typically reduces and incomes traditionally improve. Though this may not be correct in all circumstances, it is a general belief that is compatible across cultural lines.

In geography, for study, the Earth can be divided into three parts:
What are the parts? (3)

atmosphere
lithosphere
ionosphere
hydrosphere
stratosphere

Answers

Answer:

llithosphere hydrosphere stratosphere

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what is the difference between alcoholic and Mercury thermometer based on their function? revise sentence three by adding the correct verb form Cultural regions are best described as being __________ because they can share one or more important elements, be any size, and even disappear over time.A.diverseB.unstableC.dominantD.subcultures Genna purchased a pair of shoes on a web site.The original price of the shoes was $120. She used the coupon code to receive a 20% discount. The web applied a 15% service fee to the discounted price. Genna's shoes were less than the original price by what percent Which human development function is described in the following scenario?Mara is playing with her infant, and she repeats the word "ball" over and over while holding a ball. A couple of weeks later, Mara puts a ball and box in front of her baby and asks her to find the ball; the baby picks up the ball.analyzingrecognizingmimickinglearning Expand the expression 2(y + 5x) When is a country considered to be making money?AWhen they are making laws.BWhen they are importing goods.CWhen they are fighting in a war. DWhen they are exporting goods. help me please please please please A number consists of two digit whose sum is 9. If 9 is subtracted from the number the digitsinterchange their places. Find the number. i have the coronavirus Unlike many of these other civilizations, the Greek civilization did not develop in a river valley, but it was bordered by water. Ancient Greece had the Mediterranean Sea to the south, the Ionian Sea to the west, and the Aegean Sea to the east. Greece is actually a series of islandspieces of land surrounded completely by waterand peninsulas or pieces of land surrounded on three sides by water. These islands and peninsulas were covered with high mountains, making travel across the land very difficult. As a result, the ancient Greek people mostly traveled by water. Because Greece's mountains, islands, and peninsulas separated the Greek people from each other and made communication difficult, Greek civilization developed into independent city-states or cities that governed themselves and the land that surrounded them. Summary: a labrador retriever has brown fur (Bb) and mates with a yellow lab (bb). What percent will their puppies be yellow? Use the punnetts square to help you. 100% 75% 50%25%0% Which best describes pitch? the amount of time taken for a longitudinal wave to produce one cycle the number of cycles per second perceived by the human ear the amplitude of a wave when the natural frequency is matched the distance between two corresponding parts of a transverse wave Tell whether x and y are proportional.1, 2, 37, 8, 9 What does sexual reproduction result in with genetics? What is the the contour Interval forEnchanted Rock? How long did the fixed exchange rate implemented by the International Monetary Fund (IMF) last?A. It lasted for almost three decades.B. It lasted for almost twenty years.C. It lasted for just under one year.D. It lasted for almost ten years. h(x) = 2.63x - 15.78What is the value of x if h(x) = 13.15? The use of a currency exchange system would be MOST beneficial in which of the following situations? (AKS47c)(DOK 2) A. A restaurant in Turkey starts buying more locally-grown products in order to support local farmers. B. A business in Yemen applies for government funding because it offers a service that benefits all citizens. C. The government of Egypt wants to improve wages in the country in order to raise the standard of living. D. The government of Saudi Arabia wishes to earn money by selling its crude oil to refineries in other countries. will give crown2x2=x/273x8=