Question

true false
1.sound waves propagate through movement of molecules from one place to another.
2. we cannot hear sound waves of frequency below 20 Hz.
3. exposure to noise for a long period of time can cause loss of hearing.
4.the speed of sound depends on temperature five-year term transmits sound to middle ear.

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Answer 1

Answer:

Answer:1.false

2.true

3.false

4.true

Explanation:

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Answer 2

F

T

F

T

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answer is copied