When a Mass of Cold Air Collides with a Mass

question 109

Multiple Choice

When a mass of cold air collides with a mass of warm air,what happens?

• A)The cold air is warmed and the warm air is cooled by their mixing.
• B)The cold air rises above the warm air.
• C)The warm air rises above the cold air.
• D)The boundary between the two air masses keeps them separate,and they do not interact in any way.

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Definitions:

Myelinated Axons

Axons that are wrapped in a fatty sheath called myelin, which speeds up the transmission of electrical signals along the nerve cells.

Neural Impulses

Electrical signals transmitted along neurons, facilitating communication within the brain and nervous system.

Unmyelinated Dendrites

Dendrite fibers without a myelin sheath, leading to slower transmission of nerve impulses.

Central Nervous System

A major part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information in the body.