Oxygen During the Early Development of the Atmosphere Was

question 81

Multiple Choice

Oxygen during the early development of the atmosphere was:

• A) common.
• B) rare.
• C) important for photosynthesis.
• D) about the same as now.
• E) created from the cooling of hot lava.

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Definitions:

Angry Tone

A method of expression that conveys feelings of displeasure or irritation.

Truth

The quality or state of being in accord with fact or reality, or fidelity to an original or standard.

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A tool consisting of a handle and a bristled head used for styling, smoothing, and detangling hair.

Meg

A common short form of the name Megan or Margaret.