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You visit the Grand Canyon on a particularly hot day, and like all good tourists, you yell "Hello!". Would you expect to hear the echo sooner or later than on a cooler day? Why?
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You visit the Grand Canyon on a particularly hot day, and like all good tourists, you yell "Hello!". Would you expect to hear the echo sooner or later than on a cooler day? Why?

User Abhilash Awasthi
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Answer: Later

Step-by-step explanation:

In cold weather the air is more dense and that is what causes the cold. It is hard for sound waves to travel through it.

User PhillyTheThrilly
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