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Which of the Following Does Not Contribute to Ozone Depletion

question 35

Multiple Choice

Which of the following does not contribute to ozone depletion?


Definitions:

Ultrasonic Sounds

Sounds that have frequencies above the upper limit of human hearing, typically greater than 20,000 Hz.

Music

An art form consisting of sequences of sounds in time, typically employing melody, harmony, rhythm, and timbre.

Pain Relief

The act or an instance of reducing or eliminating discomfort or distress in the body.

Unpleasant Events

Occurrences that cause discomfort, distress, or unhappiness to an individual or group.

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