Most of the radiation emitted by a human body is in the form of
a. ?ultraviolet radiation and is invisible.
b. ?visible radiation but is too weak to be visible.
c. ?infrared radiation and is invisible.
d. ?humans do not emit electromagnetic radiation.
e. ?the whole electromagnetic spectrum.
ANSWER: c
Environmental & Atmospheric Sciences
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A. conductor. B. insulator. C. both of these depending on applied voltage D. none of the above
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The unit of electric charge, the coulomb, is the charge on
A) one electron. B) a specific large number of electrons.
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Neanderthals are somewhat different than modern humans with the most obvious difference being their skull structure
a. True b. False
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The point within Earth where seismic waves originate is called the
A. fold B. fault scarp C. focus D. epicenter
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