The body's natural cooling mechanism, in which sweat is converted to a gas, is called:
A. radiation.
B. convection.
C. conduction.
D. evaporation.
Answer: D. evaporation.
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During the last 750,000 years
A) Earth has had at least two ice ages. B) ice volume changes have been highest in the Southern Hemisphere. C) there has been a pattern of roughly 100,000-year cycles in climate change. D) there has been little change in climate.
China spends more per capita on health care than any other country
Indicate whether the statement is true or false
If plastic strain has taken place and created a fold, the ____
A)rock layers will bounce back if the strain is removed B)rock layers will remain folded even if the strain is removed C)fold will eventually overturn D)fold will never fracture E)fold will always eventually fracture
All other things being equal a building built on solid granite bedrock is seismically safer than one built
on water-saturated sediment. Indicate whether the statement is true or false.