Earth's Atosphere and Hydrosphere

Jacob Brewster

Why was the Earth unable to hold onto the first atmosphere

Earths gravity was not strong enough at the time

What was the Earth's second atmosphere probably like and what is it's origin

It was produced by volcanic outgassing and consisted of mostly carbon dioxide with some methaine and ammonia
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What is is one scientific explanation for the origin of ou oceans

As the earth cooled, H2O produced by our gasses could exist as liquid in the early archean, allowing oceans to form
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Why couldn't there have been oceans during Earth's earliest years

It was too hot
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What evidence is there that comets were not big contributers to Earth's oceans

Oceans arent rich in deutrium
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