The central United States is a very good air mass source region
a. True
b. False
ANSWER: False
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Which of the following is one of the human activities with the greatest harmful impact on the environment?
a. Food production b. Transportation c. Overall resource use d. Home energy use e. All of the above
Low clouds retard surface cooling at night better than clear skies because:a
the clouds absorb and radiate infrared energy back to earth. b. the water droplets in the clouds reflect infrared energy back to earth. c. the clouds start convection currents between them. d. the clouds are better conductors of heat than is the clear night air. e. the formation of the clouds releases latent heat energy
The stability of an air layer refers to its:
A) tendency to either sustain or suppress upward vertical motions. B) pressure as measured at its base. C) albedo. D) overall density.
At one time, all of Oceania was a colony of either Spain, the United States, Britain, France, Australia, New Zealand, or another powerful foreign country
a. True b. False Indicate whether the statement is true or false