Question

Presence of moisture in air
a) increase the speed of sound
b) decrease the speed of sound
c) may increase or decrease the speed of sound
d) does not have any effect on speed of sound
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Answer 1

Answer:

b

Explanation:

b is the answer hope it will help you

Answer 2

Answer:

Ur ans is here :

Explanation:

decreases with increase in humidity. Speed of sound wave in air increases with increases in humidity. This is because presence of moisture decrease the density of air.