Question

The atmosphere is a mixture of gases. What are the primary gases that comprise the earth's atmosphere?

Nitrogen, Oxygen, and Argon
Nitrogen, Oxygen, and Helium
Neon, Krypton, and Methane
Hydrogen, Nitrogen, and Oxygen

Answer 1

Nitrogen, oxygen, and argon. The other gases make up a surprisingly small amount of all gases on earth.

Answer 2

A. Nitrogen, Oxygen, and Argon

Step-by-step explanation:

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