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Travka [436]
2 years ago
14

Please help I don't understand.

Biology
2 answers:
cupoosta [38]2 years ago
7 0

Answer:

False .

atmosphere in early earth was filled with both methane and ammonia

Now days we have nitrogen, oxygen Carbon dioxide and variable gases

Softa [21]2 years ago
5 0

Answer:

False, because the atmosphere is not composed completely of these two gases. Ammonia and methane now make up little to none of the atmosphere.

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