Question

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1. sound can travel through
a. solids only b. liquids only c. gases only d. solids, liquids and gases

2. which of the following factor/s the speed of sound depends?
a density b. elasticity c. temperature d. all of the above

3. in which temperature below does the sound travels slowest?
a. 10°c b. 20°c c. 30°c d. 40°c

4. why is sound able to travel faster through a solid than a gas?
a. solid molecules are packed tightly
b. sound does not travel through gas
c. gas molecules are packed tightly
d. gas molecules do not move

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Answer 1

Answer:

1) d

2) c

3) - 20⁰

4) a

Explanation:

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Answer 2

Answer:

1 . d

2. c

3. b

4 .a

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