which statement correctly describes how the amount of ofoxygen in the earth’s atmosphere has changed over time?

Biology

1 answer:

Kay [80]3 years ago

3 0

Answer:

Based on the relative volumes of the gases in Earth’s atmosphere, nitrogen is actually more than 3 times more than oxygen. Because the troposphere is the lowest atmosphere layer, it contains 75 percent of the atmosphere’s mass.. From largest to smallest, Earth’s atmosphere composition contains nitrogen, oxygen, argon, CO 2 and trace gases.

Explanation:

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