What is the approximate composition of the earth's atmosphere?
A) 80% oxygen and 20% nitrogen
B) 78% nitrogen and 21% oxygen
C) 50% nitrogen and 50% oxygen
D) 100% oxygen
E) 100% nitrogen

Question

Quizplus · Accepted Answer

The earth's atmosphere consists of approximately 78% nitrogen and 21% oxygen, with trace amounts of other gases such as argon, carbon dioxide, and neon. Option A, C, D and E are incorrect as they do not reflect the actual composition of the earth's atmosphere.

What Is the Approximate Composition of the Earth's Atmosphere