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3. What is vibration?
A. How high or low a sound is
B. How loud a sound is
C The back and forth
D. The loudness or
Why does copping your hands around your mouth when you shou
further?
A. The sound energy is directed in one direction C. You a
B. The sounds spreads out
D. Your
Why is there no sound in space?
A. It is because there is no air or other matter in space for
B. It is because nothing lives is space to make any sounds
C. It is because space is too cold to have sounds
D. Silly you, of course there is sound in space​


Sagot :

Answer:

3.b

4.c

Explanation:

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