What Is the Major Compound Found in Sea Shells

question 13

Multiple Choice

What is the major compound found in sea shells?

• A) SiO₂
• B) CaCO₃
• C) Fe₂O₃
• D) KAlSi₃O₈

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Definitions:

Physiological Arousal

Physical states of alertness and activation resulting from activation of the central nervous system, often in response to stimuli.

Parasympathetic Nervous System

The part of the autonomic nervous system that calms the body.

Sympathetic Nervous System

The part of the autonomic nervous system that arouses the body to mobilize it for action and thus is involved in the experience of stress.

James-Lange Theory

The theory that emotion results from physiological states triggered by stimuli in the environment.