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2 votes
Please please help me please please help please please help me please

Please please help me please please help please please help me please-example-1
User Piovezan
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1 Answer

5 votes

Answer:

Electromagnetic waves do not require any medium to travel whereas mechanical waves must have a medium to propagate.

So, Basically, it is B I believe.

Hope It Helps!

User ZAJ
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2.9k points