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

Responses

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

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

1 answer

None of these responses are correct.

The correct answer is: sound waves, because they require a medium (such as air, water, or solids) to travel through. Light waves, on the other hand, can travel through a vacuum and do not require a medium.
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