Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth? A. dissolved oxygen B. dissolved carbon dioxide C. dissolved methane D. dissolved ammonia

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asked Apr 19, 2019 141k views

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Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth?

A.
dissolved oxygen
B.
dissolved carbon dioxide
C.
dissolved methane
D.
dissolved ammonia

Biology
high-school

Sergey Stolyarov asked

by Sergey Stolyarov

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2 Answers

3 votes

Answer:

B. Dissolved carbon dioxide

Step-by-step explanation:

Plato answer

Adadion answered Apr 22, 2019

by Adadion

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5 votes

Answer:

Dissolved carbon dioxide

Step-by-step explanation:

Just took the test and it was correct

Extols answered Apr 26, 2019

by Extols

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