Question

Which statement is true regarding mechanical and electromagnetic waves?Both types of waves require a medium. Neither type of wave requires a medium. A mechanical wave requires a medium, but an electromagnetic wave does not. The speed of an electromagnetic wave can be affected by a medium, but the speed of a mechanical wave cannot.

Answer 1

A mechanical waves require a medium but a electromagnetic does not

Step-by-step explanation:

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Answer 2

A mechanical wave requires a medium, but an electromagnetic wave does not.

Step-by-step explanation: