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OpenStudy (anonymous):
What portion of the electromagnetic spectrum can human eyes detect? A. visible light B. visible light and infrared light C. infrared light D. infrared light and ultraviolet light
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OpenStudy (anonymous):
that one is visible light so A
OpenStudy (anonymous):
yay thx i passed it
OpenStudy (anonymous):
Visible light is the only emr we can detect with our eyes, the rest we need tools that go beyond our senses. :)
OpenStudy (mrnood):
the clue is in the word 'visible'...
OpenStudy (anonymous):
a
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OpenStudy (anonymous):
IT IS A they have done it> :)
OpenStudy (anonymous):
a
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