Question

guyzz plzz give me the ans of fill upss nd true false.....

Answer 1

1.Sound

2.waves

3.----------

4.vocal chords

5.----------

6.hertz

7.amplitude

8.echo

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1.true

2.false

3.false

4.false

5.true

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3rd nd 5th I don't know so I will not google it.#honest