Surface cyclones move at a speed that is:
A) one-quarter to one-half the speed of the winds at the 500-mb pressure level.
B) determined by the jet stream.
C) five times greater than the speed of a cold front.
D) a product of the surface pressure gradient force.
A
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Greenhouse gases impede ____ radiation
a. incoming shortwave b. incoming longwave c. outgoing shortwave d. outgoing longwave
Within the last few years, developers have proposed the elimination of the National Park Services.
Answer the following statement true (T) or false (F)
Almost one-fourth of the global fish catch now goes into meal and oil, mostly to ________ in wealthy countries
A) feed people B) feed livestock and pets C) feed school children D) provide vitamin supplements
Groundwater is one reservoir of the ____________________ cycle. Fill in the blank(s) with the appropriate word(s)