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mestny [16]
3 years ago
13

Explain how the percentages of nitrogen, oxygen and carbon dioxide in the Earth’s atmosphere today have changed from the Earth’s

early atmosphere.
Biology
1 answer:
Degger [83]3 years ago
4 0

Explanation:

The early atmosphere was mainly carbon dioxide and water vapour. Water vapour condensed to form the oceans. Photosynthesis caused the amount of carbon dioxide to decrease and oxygen to increase.

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Você sabe de onde vem á água da sua casa?
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Answer:

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On a hike along the desert slope of the sierra nevada mountains in california, you notice that there is an abundance of pinyon p
astra-53 [7]

Answer:

ecological dominants

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Which term describes a slow change in an environment
nevsk [136]

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