Answered

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The most common
elements in space are
hydrogen and helium.
How did Earth's early
atmosphere contain
gases like methane and
ammonia?

Sagot :

Answer:

There were smaller proportions of water vapour, ammonia, and methane.

Explanation:

The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. As the Earth cooled down, most of the water vapour condensed and formed the oceans.

jennygoodwell123

Answer:

One theory suggests that the early atmosphere came from intense volcanic activity, which released gases that made the early atmosphere very similar to the atmospheres of Mars and Venus today. These atmospheres have: a large amount of carbon dioxide. little or no oxygen.

The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.

hope this helps, Brainliness please and thank you

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