Question

Ryan does an activity where he puts a ringing phone in the glass tumbler. He covers the glass tumbler with his hand. He also removes air from the glass tumbler by using a vacuum and observes the sound of the phone fainting gradually. What can be concluded from the observation? *PLS ANSWER FAST

Answer 1

Answer:

Sound needs a medium to travel.

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Answer 2

Answer:

sound eventually fades away

Explanation: