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How are electromagnetic waves different from mechanical waves?
A Electromagnetic waves need a medium to travel through; mechanical waves don't. incorrect answer
B Electromagnetic waves can travel through water; mechanical waves can only travel through solid matter. incorrect answer
C Electromagnetic waves can travel through empty space; mechanical waves can't. incorrect answer
D Electromagnetic waves are long chains of vibrating molecules; mechanical waves aren't. incorrect answer
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How are electromagnetic waves different from mechanical waves?
A Electromagnetic waves need a medi...
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