In 2011,_____ of U.S.voters Identified Themselves as "Independent

question 21

Multiple Choice

In 2011,_____ of U.S.voters identified themselves as "Independent."

• A) 12 percent
• B) 24 percent
• C) 40 percent
• D) 58 percent
• E) 69 percent

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Definitions:

Mood Disturbances

Variations from a person's baseline mood, including disorders such as depression or bipolar disorder, affecting emotional states and behaviors.

Serotonin

A neurotransmitter involved in regulating mood, appetite, sleep, memory, and learning. Imbalances in serotonin are associated with depression and other mood disorders.

Endorphins

Natural, pain-killing chemicals released in the brain that also contribute to sensations of pleasure or well-being.

Enkaphalins

Peptides found in the brain, acting as neurotransmitters or neuromodulators, involved in regulating pain and emotion.