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5 votes
Pls answer 10 points

Pls answer 10 points-example-1

2 Answers

5 votes
I really think he’s right
User Rick Falck
by
5.1k points
2 votes

Answer:

The answer is B.

Step-by-step explanation:

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

User Mava
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5.4k points