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OpenStudy (anonymous):
4. How does a television signal differ from a standard radio wave? A. Its frequency varies, but the amplitude remains the same. B. It operates at a much higher frequency. C. Its amplitude varies, but the frequency remains the same. D. It carries information for pictures as well as sound.
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OpenStudy (anonymous):
i want to say it is C or D
OpenStudy (anonymous):
but i might be wrong
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