The Largest Active Carbon Pool Is

question 48

Multiple Choice

The largest active carbon pool is

• A)the atmosphere.
• B)the oceans.
• C)living organisms.
• D)dead organisms.

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Definitions:

Alpha Wave

A type of brainwave detected by an EEG that occurs when a person is relaxed, but alert, typically with closed eyes.

Sleep-Inducing Hormone

Melatonin, a hormone produced by the pineal gland that regulates sleep and wakefulness.

Melatonin

A chemical substance secreted by the pineal gland in reaction to lack of light, which controls the rhythm of sleeping and waking.

Serotonin

A neurotransmitter in the brain that plays key roles in stabilizing mood, feelings of well-being, and happiness.