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In which medium would sound travel the fastest

In which medium would sound travel the fastest-example-1
User Kgilpin
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2 Answers

4 votes

Answer:

It think it's either A or D.

But I think the answer is most likely to be A because most railroad tracks aren't in tunnels and the D doesn't describe anything about tunnels.

Step-by-step explanation:

User Ian Wise
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2 votes

Answer:D

Step-by-step explanation:

User Thibault
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