how does sound travels
A. a reach line
B. cycle
C.packs
D. waves
how do sound travels in liquid compared to air
A. fast
B in jumping motion
C. very slow in random mannner
D. very slow
why do we not hear sound in outer
space?
A. it is a vacuum or empty place
B. it is so cold
C. there is no one out there
D. there are too many parts of exploding
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Answer:
1.D
2.A
3.A
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Answer:
1. A
2.C
3.DONO
Explanation:
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