A method of increasing water supplies that has been successful, but expensive is
A. Altering the climate's convection currents
B. Towing icebergs by ship from polar regions
C. Desalination
D. Cloud seeding
E. None of these is correct.
Answer: C
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Of all the world's fresh water, nearly ________ percent is tied up in glaciers, ice caps, and snowfields.
A. 25 B. 75 C. 90 D. 50
A wave travels an average distance of 6 m in 1 s. What is the wave's velocity?
A) less than 0.2 m/s B) 1 m/s C) 3 m/s D) 6 m/s E) more than 6 m/s
Because of its nearby location, the Coastal South has many cultural and economic connections with ________ that increase the cultural diversity of the region
Fill in the blank(s) with correct word
The cP air mass of North America is usually associated with a source region in:
a. Iceland. b. Aleutian Islands. c. Mexico. d. Canada.