Question

B. state true or false for the following statements.

1. Human beings as well as all animals have a voice box for producing their characteristic sounds.
2. Of the three mediums, solids, liquids and gases, sound propagates fastest in liquids.
3. Sound cannot propagate through vacuum.
4. Light propagates, through vacuum, with a speed that is nearly a million times more than the speed of sound in air.
5. The frequency of a given sound determines its 'shrillness' or 'flatness'.
6. Irregular non-periodic vibrations generally produce musical sounds.
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Answer 1

Answer:

Yes 1 answer

Explanation:

They have there voice box

Answer 2

Answer:

1.true

2.false

3.true

4.true

5.true

6.false