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-Dominant- [34]
3 years ago
8

Explain how the percentages of nitrogen , oxygens and carbon dioxide in the earth atmosphere today have changed from the earth

Chemistry
1 answer:
Oksi-84 [34.3K]3 years ago
3 0

Answer:

See below

Explanation:

The atmosphere of the earth hundreds of millions of years ago was only water vapour and carbon, both from the one ocean that existed around the continental body of Pangea. The photosynthesis process and exache (⊕) caused the percentages to decrease.

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