Ultrasound is not used -by elephants to communicate over long distancesto find the distance of an nbsp-objectas a tool in the treatment of muscular painto clean spiral tubes

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Application of Ultrasonic Sound

Ultrasound is...

Question

Ultrasound is not used __________.

by elephants to communicate over long distances

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to find the distance of an object

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to clean spiral tubes

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as a tool in the treatment of muscular pain

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Solution

The correct option is A by elephants to communicate over long distances
Ultrasound is a sound with a frequency above 20 kHz. Ultrasound is extensively used in medicine. Bats use ultrasound to locate the prey. Therapeutic ultrasound is used to reduce back pains. Ultrasound is also useful in cleaning areas difficult to reach by hand.
Elephants use infrasound to communicate over long distances.

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