Science, asked by srishtisrishti243, 5 months ago

Please answer fast it's urgent and no unappreciate answer please

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Answered by sai0409sankeerth

0

Answer:

q-2) ultrasonic sounds

Explanation:

q-3)at roadside

Answered by jayaprabhatp

0

Answer:

1. Vocal cords

It's length affects the pitch and loudness of men and women.

2.i don't know.. sorry

3. don't know.. sorry

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