lolirdc lolirdc

10-01-2019
Social Studies

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HELP PLEASE FOR 50 POINTS

Earth's atmosphere is mainly composed of nitrogen, oxygen, carbon dioxide, and water vapor. So, Earth's atmosphere can be described as...

A. a solution of elements.

B. a mixture of gases.

C. a chemical compound.

D. a nonmetallic molecule.

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littlefishworm2 littlefishworm2

06-06-2019

Answer:

B

Explanation:

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