English, 30.10.2019 07:31 gora2005

What gas important to life was absent from earth’s earliest atmosphere?

a.
oxygen

b.
methane

c.
carbon dioxide

d.
nitrogen

Answers: 2

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What gas important to life was absent from earth’s earliest atmosphere?

a.
oxygen...

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More questions: English Another questions

What gas important to life was absent from earth’s earliest atmosphere? a. oxygen b. methane c. carbon dioxide d. nitrogen

Answers

Another question on English

What gas important to life was absent from earth’s earliest atmosphere?

a.
oxygen

b.
methane

c.
carbon dioxide

d.
nitrogen