Question

Which best explains the inability for life to exist in Earth’s early atmosphere? Select two options.

There was insufficient energy from material collisions to change their density.
High temperatures during Precambrian time caused surface water evaporation.
Volcanic eruptions and comet collisions added different gases to the atmosphere.
Available oxygen was used to help create an ozone layer within Earth’s atmosphere.
The oxygen content in Earth’s atmosphere was too low to support cellular processes.

Answer 1

Explanation:

1.Volcanic eruptions and comet collisions added different gases to the atmosphere.

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2.High temperatures during Precambrian time caused surface water evaporation.

Answer 2

The inability for life to exist in Earth's early atmosphere can be explained by a few factors:

• The oxygen content in Earth's atmosphere was too low to support cellular processes.

• In the early atmosphere, there was a lack of oxygen-producing organisms such as photosynthetic bacteria, which meant that oxygen levels were not high enough to support the evolution of complex, oxygen-dependent life forms.

• High temperatures during the Precambrian time caused surface water evaporation. The high temperatures would have made it difficult for liquid water to exist, which is a necessary component for the emergence of life as we know it.

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