10
QuizMultiple Choice

Cycles of Matter — Unit test

Question 10 of 25 • MO-Earth and Space Science A

Which best explains a primary reason for the inability of life to exist in Earth’s early atmosphere?

Answer
A
There was insufficient energy from material collisions to change their density.
B
High temperatures during Precambrian time caused surface water evaporation.
C
Volcanic eruptions and comet collisions added different gases to the atmosphere.
D
Available oxygen was used to help create an ozone layer within Earth’s atmosphere.
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