A Boundary Often Is Called a Subsystem

question 87

True/False

A boundary often is called a subsystem.

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Definitions:

Vitamins

Organic compounds that are essential in small quantities for the body's normal growth and activity.

Diet

The kinds of food that a person, animal, or community habitually eats, often tailored for health, religious, ethical, or weight-control reasons.

Minerals

Naturally occurring inorganic substances with a definite chemical composition and crystalline structure, essential for human health.