Question

30. Main sources of noise
1 point
pollution are *
O Transportation equipment only
O Heavy machinery only
O
musical instruments
O
Transportation equipment and
heavy machinery​

Answer 1

Hiii friend... ☺☺

Main sources of noise

Transportation equipment only☑️☑️

Answer 2

Explanation:

Main sources of noise

Answer:- Transportation equipment and

Transportation equipment andheavy machinery

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