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OpenStudy (anonymous):
Which of the following statements best explains why lightning is seen before thunder is heard? A. Electromagnetic waves trvel faster than mechanical waves in air B.Electromagnetic waves have a higher frequency than mechanical waves C. Electromagnetic waves experience less interference than mechanical waves D. Electromagnetic waves form faster than mechanical waves during a thunderstorm
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OpenStudy (anonymous):
EM waves travel at near light speed through the atmosphere, while thunder travels at the speed of sound.
OpenStudy (anonymous):
So, A?
OpenStudy (anonymous):
Yes :)
OpenStudy (anonymous):
Okay. Thank you. :)
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