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When light waves travel, they _____.

A. require a medium

B. don't require a medium

C. are not a traveling disturbance
D. move at the same speed as sound waves

User Ludovico
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2 Answers

4 votes
I think the answer to the problem is D
User Kovshenin
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7 votes
I think the answer is d!
User Gareth Davis
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