What Are the Primitive Organisms Thought to Have Been Responsible

question 26

Multiple Choice

What are the primitive organisms thought to have been responsible for the development of Earth's oxygen-rich atmosphere in the Precambrian?

• A) tillites
• B) cyanobacteria (blue-green algae)
• C) foraminifera
• D) diatoms
• E) prokaryotes

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Definitions:

You-attitude

A communication approach that focuses on the audience's needs and perspectives, emphasizing the 'you' over 'I' or 'we'.

Offering Sympathy

The act of expressing understanding, compassion, or sorrow for someone else's suffering or misfortune.

Impersonal Constructions

Sentences or phrases that do not specify the person acting, focusing instead on the action or it being acted upon.

Critical Information

Vital data or facts necessary for understanding a situation or for making decisions.