Fluorescence occurs when ________
A) visible light is converted to infrared light
B) visible light is converted to ultraviolet light
C) infrared light is converted to visible light
D) Infrared light is converted to ultraviolet light
E) ultraviolet light is converted to visible light
E
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A large person and a small person wish to parachute at equal terminal velocities. The larger person will have to
A) get a larger parachute. B) jump lightly. C) pull upward on the supporting strands to decrease the downward net force. D) jump first from the plane. E) none of the above
Which atmospheric layers have increasing temperature gradients?
A. troposphere and stratosphere B. stratosphere and thermosphere C. troposphere and thermosphere D. thermosphere and mesosphere
Conservation biologists define a region as a biodiversity hotspot if ________
A) there is an unusually large number of endemic species thriving B) there is an endemic species protected by a captive breeding program C) species richness is unusually high and protection is required D) there is at least one umbrella species to be protected E) there is an unusually large number of endemic species threatened by humans
Condensation and precipitation are synonymous in that the first invariably results in the latter
Indicate whether the statement is true or false