Question

Nitrogen constitutes _______ % of our atmosphere

A 28 Correct Answer Incorrect Answer
B 58 Correct Answer Incorrect Answer
C 68 Correct Answer Incorrect Answer
D 78 Correct Answer Incorrect Answer

Solution

It is the most abundant gas in Earth's atmosphere, followed by oxygen at roughly 21%. Nitrogen is essential for life, supporting essential processes, yet it exists primarily as an inert gas in the atmosphere.

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