Which type of wave needs a medium to travel?(1 point)

Question

Responses

sound waves, because they travel by oscillating molecules
sound waves, because they travel by oscillating molecules

sound waves, because they travel by oscillating electromagnetic fields
sound waves, because they travel by oscillating electromagnetic fields

light waves, because they travel by oscillating molecules
light waves, because they travel by oscillating molecules

light waves, because they travel by oscillating electromagnetic fields

Answer 1

Sound waves need a medium to travel because they travel by oscillating molecules. So the correct response is:

sound waves, because they travel by oscillating molecules.