Question

Which three characteristics do mechanical waves and electrocmagnetic waves share?

A. The waves begin with a disturbance.
B. The waves and their energy can travel through empty space.
C. The waves transfer energy from its source.
D. The waves and their energy move outward from the source.

Answer 1

Answer:

last 3

Explanation:

a disturbance is not necessary to create an electromagnetic wave.

for ex.

a proton sitting quietly in space emits electromagnetic radiation.