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What was the major contributor of oxygen to earths early atmosphere?
Updated: 1/20/2022
Saynomore Guys
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∙ 2y agoBest Answer
photosynthsis
Lewis Streich
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∙ 2y agoThis answer is:
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Related questions
Was there oxygen in the early earths atmosphere?
yes
What gas was not part of early earths atmosphere?
oxygen
What gas was lacking from earths early atmosphere in the early precambrian?
oxygen
Was the earths early atmosphere made up of mostly oxygen?
no
What added oxygen to earths early atmosphere?
Photosynthesis by plants
What does gas do to some scientist think was missing from earths early atmosphere?
oxygen
Minerals in old rock suggest that earths early atmosphere had little or no free oxygen?
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How did bacteria change early earths atmosphere?
Earth's early atmosphere was primarily composed of carbon dioxide. Early bacteria used carbon dioxide as a source of fuel and as a result produced oxygen.
Which gases made up most of Earths early atmosphere?
mostly carbon dioxide with little or no oxygen.
How do geologists use rocks to prove the existence of oxygen in earths early atmosphere?
They look at the mineral composition of the rocks. There are some minerals that can only form in the presence of oxygen.
Earths early atmosphere formed during the early Archean era which gas was generally absent from the atmosphere at that time?
Oxygen Please study this, & don't forget it so you don't have to keep looking up answers .
Earths first atmosphere contained little to no?
Oxygen. Earth's early(first) atmosphere is believed to contain hydrogen cyanide, carbon dioxide, carbon monoxide, nitrogen, hydrogen sulfide, and water. but still it only had little to no oxygen.
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