The Ozone Layer in the Upper Atmosphere Is Essential for Life

question 127

Multiple Choice

The ozone layer in the upper atmosphere is essential for life on the planet becausethe full intensity of the sun's ultraviolet rays would:

• A)cause severe respiratory problems for higher organisms
• B)dramatically enhance global warming
• C)destroy bacteria and damage animal tissue
• D)all of the above

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Definitions:

Rest Activities

Activities designed to provide relaxation and recuperation from physical or mental exertion.

Fight or Flight

A physiological response to perceived harmful events, attacks, or threats to survival, preparing the body to either confront or avoid the danger.

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for physical activity by activating fight or flight responses.

Electroencephalograph (EEG)

A diagnostic test that measures the electrical activity of the brain using small, flat metal discs (electrodes) attached to the scalp.