Which Statement Is True

question 67

Multiple Choice

Which statement is true?

• A)A perfectly elastic demand curve has an elasticity of zero.
• B)Elasticity measures the change in quantity demanded in response to a change in price.
• C)Elasticity of demand is found by dividing the percentage change in price by the percentage change in quantity.
• D)None of these statements are true.

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Definitions:

Circadian Rhythm

A natural, internal cycle that dictates the alternation between sleep and wakefulness, repeating roughly on a 24-hour basis.

Suprachiasmatic Nucleus

A small region in the brain's hypothalamus responsible for controlling circadian rhythms, which are the body’s natural sleep and wake cycles.

Brain

The organ located in the head of an animal that coordinates its behavior, processes sensory information, and is the center of intelligence and emotion.

Physical and Mental Health

The overall state of a person's body and mind, including the absence of illness and the presence of well-being.