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.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: How are electromagnetic waves different from other waves?
Possibilities:
- 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.

They can travel through a vacuum and through matter.