cekuhns cekuhns

04-04-2017
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Select all of the answers that apply. Which of the following factors caused the early atmosphere to become thicker? volcanic outgassing meteorite and comet impacts cyanobacteria banded iron formations

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emilyrow emilyrow

04-04-2017

Volcanic outgassing
Cyanobacteria banded iron formation
I think this is correct but I am not fully sure

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pinsydney88 pinsydney88

13-11-2018

The answer is

A. volcanic outgassing

C. cyanobacteria

D. banded iron formations

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