AnswersFL-2002070-MJ Comprehensive Science 2The Electromagnetic Spectrum

The Electromagnetic Spectrum Answers

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1
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What is the difference between a mechanical wave and an electromagnetic wave?

A
A mechanical wave travels through empty space, while an electromagnetic wave travels through matter.
B
A mechanical wave has a short wavelength, while all electromagnetic waves have long wavelengths.
C
A mechanical wave has a high frequency, while all electromagnetic waves have low frequencies.
D
A mechanical wave travels through matter, while an electromagnetic wave travels through empty space.
2
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What did you include in your response? Check all that apply.

A
to transmit data
B
to transmit TV signals
C
to transmit telephone signals
D
to cook in microwave ovens
E
to use radar

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