What Is the Term for the Fragile,invisible Layer of the Atmosphere

question 5

Multiple Choice

What is the term for the fragile,invisible layer of the atmosphere about 10-30 miles above the earth's surface that shields the planet from the sun's hazardous ultraviolet rays?

• A)fossil gases
• B)greenhouse fuels
• C)fossil fuels
• D)ozone layer

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Definitions:

Hertz

A unit of frequency in the International System of Units (SI), denoting one cycle per second.

Place Theory

A proposal about pitch perception stating that regions of the basilar membrane respond to particular sound frequencies, and the nervous system interprets the excitation from different basilar regions as different pitches.

Oval Window

A membrane-covered opening that leads from the middle ear to the cochlea of the inner ear, playing a crucial role in the process of hearing.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is essential for converting sound waves into electrical signals that can be interpreted by the brain as sound.