How Many Mass Extinctions Have Occurred

question 63

Multiple Choice

How many mass extinctions have occurred?

• A) 5
• B) 15
• C) 10
• D) 3

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Definitions:

Adolescence

The transitional stage of physical and psychological development that generally occurs during the period from puberty to legal adulthood.

Psychopathology

Symptoms that cause mental, emotional, and/or physical pain.

Impulsive Behaviors

Acts performed suddenly without apparent thought, often with negative outcomes.

Hopelessness

A feeling of despair and the belief that there is no possibility of a positive outcome.