Large Amounts of Oxygen Gas Appeared in Earth's Atmosphere About

question 54

Multiple Choice

Large amounts of oxygen gas appeared in Earth's atmosphere about ________ years ago.

• A)200 million
• B)1)7 billion
• C)2)7 billion
• D)4)5 billion

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Definitions:

Cognitive Therapy

A form of psychotherapy that emphasizes the importance of modifying dysfunctional thoughts and beliefs to improve emotional and behavioral outcomes.

Test Beliefs

Ideas or assumptions that are evaluated or verified through the process of testing or experimentation.

Assumptions

Accepted beliefs or statements taken for granted without proof.

Cognitive Therapy

A type of therapy focused on changing negative patterns of thought to alter unwanted behavior patterns and treat psychological disorders.