4
QuizMultiple Choice

Biological Evidence and the Fossil Record — Unit test

Question 4 • 24 - 25 CR - Biology B (0411KB)

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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