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4.In which situation will sound travel faster?
A when the sound produced is very loud B. when someone is simply talking to you from a distance
C. when someone strikes two stones while you are under a pool
D. when someone knocks at a wall and your ear is on the other side of the wall
5. What happens when you cup your hands around your mouth while you are shouting?
A pitch of sound increases
B. pitch of sound decreases
C.volume of sound increases
D.volume of sound decreases

brainliest answer kopo ang makakasagot​


Sagot :

4.Letter C-When someone strikes two stones while you are under a pool.
5.Letter B-Pitch of sound decreases.


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Answer:

4. D.

5. C.

I think that's the answer