Question

Earth's atmosphere is composed of

A. carbon dioxide, ozone, and magnesium.
B. water, liquid oxygen, and trace amounts of other liquids.
C. nitrogen, oxygen, and trace amounts of other gases.
D.
iron, oxygen, and silicon.
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Answer 1

Answer: C

Step-by-step explanation:

The Earth's atmosphere is a mixture of nitrogen, oxygen, and trace amounts of other gases, such as argon, water vapor, and carbon dioxide.

Answer 2

c

Step-by-step explanation:

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