Question

(71 What is the percentage of nitrogen in the atmosphere?
A. 21% B. 78 % C. 79 % D. 1 %
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Answer 1

Answer:

The answer is b. 78%

Hope my answer is correct

Answer 2

Answer:

20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.[8] Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.