Question

Why the quality of sound changes with age

Answer 1

Answer:

An aging voice box.

The most common cause of a voice change later in life is aging of the voice box and the respiratory system that powers the voice. ... The joints of the larynx may thin, and its cartilage may calcify further. The vocal cords may lose flexibility and elasticity, and dry out.

Explanation:

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Answer 2

Answer:

because of the vocal cords