Question

You recognize your friend by hearing his voice on a telephone. Explain

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Answer 1

Explanation:

1)this is due to quality of sound and pitch of sound

2) the wave form produced by the vocal cords of each human was different so we can easily identity her/his voice when he/she taking in telephone

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Answer 2

Answer:

bcz of sound

Explanation:

bcz we know how our friend voice or pitch of sound is so due to that by hearing the sound of that pitch we came to know that it's our friend

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