The ultimate cause of jet streams is the energy imbalance that exists between high and low latitudes
a. True
b. False
ANSWER: True
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The gradual accumulation of minor changes that bring about a transition from one species to
another is a process called ____________. Fill in the blank(s) with the appropriate word(s).
Which of the following locations will see the deposition of sylvite and gypsum?
A) Shallow marine environments B) Evaporating sea basins C) Groundwater moving through a rock D) Volcanic ash settling out in a lake
Productivity is highest in ________
A) tropical oceans B) polar oceans C) temperate oceans D) none of the above
A pumped-storage system is where water is pumped up into an elevated reservoir, and then allowed to fall to produce electricity. What is the basic reason this system is economical?
A. the electricity is being generated with a renewable energy resource. B. it is more efficient to generate electricity when it is generated with gravity. C. more electricity is generated than is used in pumping water into the reservoir. D. surplus electricity at night is being used to pump water into reservoir. E. the electricity is being generated with a non-carbon based energy source.