Question

uses of sound and harmful sound​

Answer 1

Explanation:

Frequency means how low or high a tone is.) But any sound that is loud enough and lasts long enough can damage hearing and lead to hearing loss.

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Topic Overview.

Noise Average decibels (dB)

Heavy traffic, window air conditioner, noisy restaurant, power lawn mower 80–89 (sounds above 85 dB are harmful)

Answer 2

Explanation:

Ultrasound waves are used to detect objects. A ringing telephone, a honking horn, and the sound of a friend's voice are all reminders of how important sound is. But sound has uses that go beyond communication. For example, some animals and people use reflected ultrasound waves to detect objects

Unwanted sound (noise) can damage physiological health. Noise pollution is associated with several health conditions, including cardiovascular disorders, hypertension, high stress levels, tinnitus, hearing loss, sleep disturbances, and other harmful and disturbing effects.