When the air is fast day or night

1.	When the air is fast day or night
Answer» Explanation: I WOULD say sound travels faster at night . At night , the air is DENSER due to humidity (obviously nights are cooler). sound REQUIRES MEDIUM to TRAVEL and so DENSER the medium,FASTER the sound travels. Humid air is denser than warmer air as in day.

Answer»

Explanation:

I WOULD say sound travels faster at night . At night , the air is DENSER due to humidity (obviously nights are cooler). sound REQUIRES MEDIUM to TRAVEL and so DENSER the medium,FASTER the sound travels. Humid air is denser than warmer air as in day.

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When the air is fast day or night​

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When the air is fast day or night