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34 votes
34 votes
I need help please???

I need help please???-example-1
User Marc T
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2 Answers

16 votes
16 votes

the longish point is , i think 1

User Cau
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3.1k points
26 votes
26 votes

Answer:

The first one is called longitudinal wave .

User Mario Lamacchia
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2.7k points