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qbell546 qbell546
  • 03-02-2017
  • Physics
Answered

What is the key difference between mechanical and electromagnetic waves?

Verified Answer :

Puddin5727 Puddin5727
  • 19-01-2020

Answer:

Correct. Electromagnetic waves can travel in a vacuum, but mechanical waves need a medium to travel.

Explanation:

for plato, answer B

Answer Link

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