Which of the following forms of energy have SHORTER wavelengths than the part of the
electromagnetic spectrum called the visible spectrum?
a. Ultraviolet rays
b. Infrared rays
c. Radar
d. Radio broadcast bands
e. AC circuits
a. Ultraviolet rays
Psychology
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Jerking your hand away after touching a very hot pan results from the activity of the
a) brain. b) thalamus. c) spinal cord. d) hypothalamus.
Psychology
Which of the following facts is TRUE regarding cannabis?
a. Its leaves are called hashish. b. Its solidified resin is known as marijuana. c. Its active ingredient is called PCP. d. Hashish refers to its flowers. e. It is derived from the hemp plant.
Psychology