dezmondhall0 dezmondhall0

28-03-2018
Physics

contestada

Which was least likely to have been a component of Earth’s atmosphere before life began?

A-sulfur

B-carbon dioxide

C-oxygen

D-water vapor

Respuesta :

28-03-2018

the answer to this question is a) sulfur

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jaredwharr jaredwharr

19-09-2018

Oxygen would be what I'd choose. Before life was created was also before plants were around, so there was nothing to create oxygen through photosynthesis.

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