Environmental Sciences, asked by scorpion9620, 10 months ago

when we hear someone cough , air is pushed out from the person and causes :

A. the air to become moist

B. the air to expand

C. the air to vaporise

D. the air to vibrate

Answers

Answered by twinkle136

0

Answer:

good qn

Explanation:

d. the air to vibrate

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