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Which of the following are the two primary gasses found in the Earth's atmosphere? A. nitrogen and oxygen B. nitrogen and carbon C. hydrogen and carbon D. carbon and helium
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Which of the following are the two primary gasses found in the Earth's atmosphere?

A.
nitrogen and oxygen

B.
nitrogen and carbon

C.
hydrogen and carbon

D.
carbon and helium

User Kevin Mack
by
7.5k points

2 Answers

4 votes

Answer:

choice A

I hope this helps

User Aqingsao
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7.9k points
5 votes
The answer is A. Nitrogen and Oxygen
User Suzie
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