Question

unlike sound, which has to travel through matter, light/electromagnetic waves can travel through the vacuum of space where there is no matter.
dogs and cats
true, light/electromagnetic radiation, does not need matter/atoms to travel through.
rewatch

Explanation:

Sound needs a medium (matter) to travel as it is a mechanical wave. Light/electromagnetic waves are non - mechanical waves and do not require a medium (matter) to travel. This is a fundamental property in physics.

Answer:

True, light/electromagnetic radiation, does not need matter/atoms to travel through.