Pls answer 10 points

asked May 28, 2021 99.8k views

5 votes

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5 votes

I really think he’s right

Rick Falck answered May 28, 2021

8.1k points

2 votes

Answer:

The answer is B.

Step-by-step explanation:

The up and downs or the frequency is the way sound travels

Mava answered Jun 1, 2021

by Mava

8.5k points

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