Question

_______ waves require a medium in order for energy to be transferred. ________ waves can either travel through a medium or through empty space. Select one: a. Mechanical; Electromagnetic b. Electromagnetic; Compressional c. Electromagnetic; Mechanical d. Compressional; Mechanical

Answer 1

Mechanical; Electromagnetic

Step-by-step explanation:

Mechanical waves require a medium in order for energy to be transferred. Electromagnetic waves can either travel through a medium or through empty space.

Compressional waves are a type of mechanical wave in which the particles of matter in the medium vibrate by pushing together and moving apart parallel to the direction in which the wave travels.

Answer 2

a. Mechanical; Electromagnetic

Step-by-step explanation:

__Mechanical_____ waves require a medium in order for energy to be transferred. _Electromagnetic_______ waves can either travel through a medium or through empty space.