During an early phase of the planet's existence, earth's atmosphere was similar in composition to the atmospheres of mars and ve

Question

san4es73 [151]

3 years ago

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During an early phase of the planet's existence, earth's atmosphere was similar in composition to the atmospheres of mars and ve

nus. at that time earth's principal atmospheric gas was

Physics

1 answer:

KengaRu [80] · Answer 1 · 2022-01-06T15:42:53+03:00

The answer is carbon dioxide. This primordial earths’ atmosphere was composed by gasses from degassing of the earth's interior after its formation. It is after the beginning of life that oxygen levels began to rise and levels of carbon dioxide began to reduce in the atmosphere (as a result of photosynthesis).