Which of the following factors is ultimately the cause of jet streams?
A. the energy imbalance between high and low latitudes
B. the fact that water can exist in all three phases at once
C. the relative humidity imbalance between high and low latitudes
D. ultraviolet energy from the sun
Answer: A
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About two-thirds of Canada's exports go to
a) The United States b) The United Kingdom c) China d) Japan e) Mexico
What name is given to the migration pattern wherein people leave large cities and move to smaller towns and rural areas?
A) urban gentrification B) concentric zones model C) nonmetropolitan growth D) urban decentralization E) new urbanism
Basque is a good example of a
A) vigorous language family. B) vigorous and globalizing language. C) vigorous language group. D) vigorous lingua franca. E) vigorous and isolated language.
Even if we know the solute, molarity and density of a solution, which of the following concentration units cannot be readily determined without any other measurements?
A) %(w/w) B) %(w/v) C) %(v/v) D) all of these