Question

conclusion on sound and noise​

Answer 1

Answer:

The increased levels of noise pollution in the environment have made it an urgent need to create awareness about the causes, effects, and prevention ofnoise pollution. The higher level ofnoise should be reduced at home and also at a workplace.

Sound waves can be collected and directed into our ear and increase our ability to hear. Objective 2: Children shall "discover" that soundtravels differently through a solid, a liquid, and a gas. ... Hold one end of a piece of tubing to your mouth and the other end in your ear as you talk.

Answer 2

Answer:

20hz to 20000hz volume are called sound. 20000hz to above volumes are harmful for our ear.so,these volumes are called noise.

Explanation: