Question

True or False:
1. Sound only travels in air
2.You are conserving energy when you control the volume of the radio.
3. Sound travels in all directions.
4.The siren of an ambulance tells us that there is an emergency.
5.Too much loud sounds can harm our ears.
6.Soft sound can cause noise pollution.
7.The sound of music is pleasant to the ears.
8.We should always speak in a moderate voice.
9.Sound travels at difference speeds in a different materials.
10.All sounds are loud.

Answer 1

Answer:

1.true

3.true

Explanation:

the answer is in the up ☝☝

Answer 2

Answer:

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