Approximately how much of the freshwater on Earth exists in the frozen form, largely as ice and snow in the polar regions?
a. 1%
b. 10%
c. 25%
d. 70%
d
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Geothermal energy is stored in the form of
A. trees and shrubs. B. deserts. C. rainwater. D. soil and rocks. E. ice and glaciers.
Define "visual hierarchy" in map design.
What will be an ideal response?
In recent years, the global movement of money has been enhanced primarily by
A) establishment of new stock exchanges in London, New York, and Tokyo. B) improvements in electronic communications. C) relocation of production from core to peripheral regions. D) uneven development of national banking sectors. E) safeguards to ensure that economic recessions do not result from bank policies.
Sediment yield to streams is greatest during which type of land use in a drainage basin?
a. construction b. post-construction c. forest d. crop production