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1. Which is true of how our eyes detect electromagnetic waves?
A. Our eyes are sensitive only to the shortest waves
in the electromagnetic spectrum.

B. Our eyes are sensitive to a narrow band of waves
within the electromagnetic spectrum.
C. Our eyes are sensitive to all electromagnetic waves
with a wavelength longer than infrared.
D. Our eyes are sensitive to the entire range of the
electromagnetic spectrum.

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1. Which is true of how our eyes detect electromagnetic waves?
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