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OlgaM077 [116]
3 years ago
7

Compare Earth's early atmosphere with its present one.

Geography
1 answer:
almond37 [142]3 years ago
3 0
Hello Again, 

<span>Earth's early atmosphere was composed of many gases that would be poisonous to us. As forms of life evolved and began to photosynthesize, oxygen was produced. Once animals adapted to using oxygen, they began to give off carbon dioxide, balancing the production of oxygen

Have a nice day!</span>
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