Question

Sound pollution Project Introduction​

Answer 1

Answer:

Noise pollution is unwanted sounds introduced into our natural environment that results in an adverse change. It is measured on the decibel scale (db) and according to the World Health Organization, a noise level of above 85db is enough to cause permanent hearing loss after 8 hours of listening.

Explanation:

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Answer 2

Answer:

Noise pollution is unwanted sounds introduced into our natural environment that results in an adverse change. It is measured on the decibel scale (db) and according to the World Health Organization, a noise level of above 85db is enough to cause permanent hearing loss after 8 hours of listening.13-Nov-2017