Solar winds are composed of
a. charged particles.
b. aerosols and other pollutants.
c. water vapor.
d. a variety of gases that have no charge.
e. eletromagnetic waves.
ANSWER: a
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Yucca Mountain, Nevada, is the site selected for permanent radioactive waste disposal. Which of the following is NOT a reason for selecting this site?
a. It is remote. b. Its wet climate should minimize water contamination. c. The water table is deep underground. d. It has minimal risk of earthquakes.
The single greatest threat to irrigated agriculture is
A) groundwater depletion. B) global warming. C) flooding. D) pollution from hydroelectric dam projects.
________ are chains thousands of kilometers long composed of numerous mountain ranges.
A. Volcanic arcs B. Valley and Ridge Province C. Mountain belts D. Back arcs E. Mid-oceanic ridge
The process of defending a cultural system against offensive cultural expressions while promoting local cultural values is cultural nationalism
Indicate whether the statement is true or false