Earth Science Qeustion 1

Science
Tutor: None Selected Time limit: 1 Day

What was the fate of most oxygen on Earth during its earliest history?

Nov 17th, 2014

3rd option

Volcanic outgassing probably created the primordial atmosphere, but it contained almost no oxygen and would have been toxic to humans and most modern life. Much of the Earth was molten because of frequent collisions with other bodies which led to extreme volcanism. One very large collision is thought to have been responsible for tilting the Earth at an angle and forming the Moon. Over time, the planet cooled and formed a solidcrust, allowing liquid water to exist on the surface.

Nov 17th, 2014

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Nov 17th, 2014
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Nov 17th, 2014
Dec 8th, 2016
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