Question

How are electromagnetic waves different from other waves? (1 point)
They have very short wavelengths.
They transmit energy instead of matter.
They can travel through a vacuum and through matter.
They can change direction by reflection when they strike an object
*will give medal*

Answer 1

The answer is: "They can travel through a vacuum and through matter."

For example, sound waves can't travel through vacuum. Sound waves require a medium to travel. Electromagnetic waves do not.

Answer 2

thanks it was right

Answer 3

no problem