Radio waves differ from visible light waves in that radio waves:
a) have a higher frequency
c) have a lower frequency
b) travel faster
d) require a material medium
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Explanation:The differences between light and radio waves are their frequencies and wavelengths. ... For example, radio waves have a longer wavelength and lower frequencies, so they are less energetic than visible light and that is why radio waves have relatively no effects on human body
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c) have a lower frequency
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