After Warm Air Rises from the Equator, It Cools and Moves

question 42

Multiple Choice

After warm air rises from the equator, it cools and moves toward the poles. When the cool, dense air begins to fall back to the surface of Earth, it moves toward:

• A)the poles.
• B)the equator.
• C)both the poles and the equator.

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Definitions:

Lymph Nodes

Small, bean-shaped structures that are part of the lymphatic system, helping the body fight infections and other diseases.

Innate Physical Barrier

Natural barriers formed by the body’s anatomy, such as the skin and mucosal surfaces, that help prevent the entry of pathogens.

Washing Action

The process of cleansing or removing dirt, contaminants, or impurities from objects or surfaces, typically involving agitation and detergents or solvents.

Tears

A liquid produced by the lacrimal glands for lubrication, nourishment of the cornea, and protection against infection in the eye.