Which of the Following Statements Is True

question 73

Multiple Choice

Which of the following statements is true?

• A) Temperature inversion occurs when a layer of cold air prevents warm air from rising.
• B) Temperature inversions make pollution problems worse.
• C) Temperature inversions last only a few minutes to a few hours.
• D) Normally,cool air near earth's surface expands and rises,carrying pollutants higher into the troposphere.
• E) Temperature inversions help prevent air pollution

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Definitions:

Heartbeat

The rhythmic contraction and expansion of the heart, sending blood throughout the body.

Endocrine System

A collection of glands and organs that produce hormones to regulate body processes like growth, metabolism, and reproduction.

Respiratory System

The network of organs and tissues involved in the process of breathing, facilitating the exchange of oxygen and carbon dioxide between the organism and its environment.