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Oxygen was the important element missing in Earth's early atmosphere. It was only produced later by photosynthetic organisms.

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Q: Which important element was missing in earths early atmosohere?
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Related questions

What is earths atmosohere?

78%nitrogen ,21%oxygen and 1%other


What is the abundant element by weight in the earths crust?

That element is Oxygen by 46.6%


What are the earths atmosphere facts?

1. there are five layers of the atmosphere 2. it is composed of the gas nitrogen (N) and oxygen (O) mainly 3. nitrogen (N) occupies 78% of the atmosphere 4. oxugen (O) occupies 21% of the atmosohere


What element in earths atmosphere was not present in the far past but is present now?

The element "Oxygen".


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Methane gas


What gas do some scientist think was missing from earths atmosphere?

Methane gas


What does gas do to some scientist think was missing from earths early atmosphere?

oxygen


What is the third element in the alkaline earths?

Mg-Y-ca


What is the least common element in earths atmosphere?

that sounds unanswerable.


What element composes about 78 percent of your earths atmosphere?

Nitrogen does


What element is in the boron family and is in earths crust?

Aluminum :D


What element largely makes up earths core?

iron