Question

waves -such as visible light, microwaves and x - rays- can travel through empty space, as well as through matter. choose your answer... mechanical electromagnetic

Explanation:

Waves that can travel through empty space (a vacuum) as well as matter include visible light, microwaves, and X-rays. Mechanical waves require a medium (matter) to travel and cannot move through empty space, while electromagnetic waves do not need a medium.

Answer:

Electromagnetic