What gas important to life was abscent from earths earliest atmosphere?

Answers

Answer 1
Answer: don't fully quote  me on this but I think it was hydrogen
Answer 2
Answer: The water vapor, carbon dioxide, and methane acted as greenhouse gases, trapping heat and insulating the early Earth during a critical period in its development. Of oxygen, meanwhile, the early atmosphere held barely a trace.

Related Questions

Do you think Februaryis a good time for BlackHistory Month? Why orwhy not?
By the early 1800s, most northern states: A. Acceptwd slavwry within their borders. B. Supported the immediate abolitiin of slavery. C. Wanted to separate from southern states because of slavery. D. Passed laws to slowly end slavery.
Which of these is true about the slave population in Chesapeake colonies?OA. They mostly spoke African languages instead of English.OB. They owned small plots of land.OC. They were mostly single males.OD. They created a culture with both English and African traditions,
The national government has _____________ powers that are spelled out in the Constitution.
How did president Jefferson act on his beliefs about government?

How long did mummification go for poor Egyptians?

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Poor people didn't really get mummified. Only the rich and high class people!

Links between Mesoamerica and the Anasazi ________________a.
cannot be determined based on the evidence.
b.
can be seen in the exchange of ideas and goods.
c.
were brief and had no impact.
d.
were made only along the coast and not inland.
b

Answers

Answer: B: can be seen in the exchange of ideas and goods

Explanation:

Answer:

b

Explanation:

Why did some senators oppose the Versailles Treaty?

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Some senators oppose the Versailles Treaty because they believed the treaty would lead the U.S. into future wars. They feared that its terms and the establishment of the League of Nations would entangle the United States in foreign conflicts and military engagements.

They were concerned that the collective security obligations of the League might drag the U.S. into wars that did not directly threaten its interests. This isolationist sentiment was fueled by a desire to maintain American sovereignty and avoid being drawn into international disputes. Ultimately, their apprehensions led to the Senate's rejection of the treaty, resulting in the U.S. not becoming a member of the League of Nations.

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senators wanted to make changes to this part of the charter of the League of Nations. President Wilson didn't want this to occur. as a result, we not only didn't join the League of Nations, we didn't ratify the Versailles Treaty. We ended up signing separate peace treaties with the Central Powers

The Constitution was drafted in 1787, after the American Revolution ended. What document preceded the Constitution in outlining the powers of the US government?A) the Declaration of Independence
B) the Articles of Confederation
C) the Bill of Rights
D) the Two Treatises of Government

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B for sure, it is the articles of confederation

The concept of karma is best described as ?

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If you do good, good comes to you, if you do bad, bad comes to you.
Karma is a concept that explains causality through a system where beneficial effects are derived from past beneficial actions and harmful effects from past harmful actions. In the U.S it's mostly is used as bad luck.
 

Why was the Dred Scott v. Sanford considered to be a cause of the Civil War?​

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chose to sue his master's widow for his freedom. He argued that his master, John Emerson, escorted him onto free soil in Illinois and the Wisconsin Territory, so he'd legally—even if inadvertently—granted him freedom.