In which of the following is the water generally at a much higher temperature than the land that is nearby?
a. Lakes
b. Oceans
c. Geysers
d. Rivers
Ans: c. Geysers
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The rate of movement of contaminants in an aquifer can be calculated using the:
a. hydrodynamic dispersion b. average linear velocity c. hydraulic conductivity d. hydraulic gradient
When water is pumped out of an unconfined aquifer through a well, a ________ often develops in the water table.
A. deflation structure B. thin film of pollution C. ground-water mound D. piercement structure E. cone of depression
The primary ethical issue associated with the practice of cloud seeding is
A) the concern that areas downwind of a seeded cloud will be deprived of precipitation B) the concern that resources devoted to cloud seeding activities would be better used in other activities C) the concern that cloud seeding should only be attempted by professional meteorologists D) the concern that cloud seeding introduces toxic chemicals into the environment
The degradation of land due to human action such as excessive crop planting, deforestation, and land grazing is
A) slash and burn agriculture. B) desertification. C) land desiccation. D) commercial farming. E) plantation farming.