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5 votes
The speed of a sound wave

is slower than an electromagnetic wave
is faster than an electromagnetic wave
is equal to an electromagnetic wave
cannot be measured

User Whyoz
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1 Answer

5 votes
I think the correct answer from the choices listed above is the first option. The speed of a sound wave is slower than an electromagnetic wave or light waves are faster than sound waves. Hope this answers the question. Have a nice day.
User GGEv
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