Artificial wetlands ________
A) can help purify water and also provide wildlife habitat
B) purify water for use as bottled drinking water
C) are the major program for replacing lost natural wetlands
D) are a source of arsenic contamination in Bangladesh
E) are created using xeriscaping methods
Answer: A
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Answer the following statement(s) true (T) or false (F)
1. The rivers of Siberia are heavily used for transportation and hydroelectricity generation. 2. The first Russian Empire and the Soviet Union built manufacturing industries around consumer markets. 3. The main problem in exploiting the oil around the Caspian Sea is drilling for it. 4. Perestroika, or restructuring, under Gorbachev resulted in an economic crisis. 5. The Slavic countries all have long histories as independent countries.
Which of the following is NOT a problem associated with groundwater mining?
A. subsidence. B. increased cost to pump the water to the surface. C. increased likelihood that the aquifer will become contaminated. D. saltwater intrusion.
Fog is more likely to form when air temperatures are
A) colder than the surrounding land. B) warmer than the surrounding land. C) the same as the surrounding land. D) rising.
The strongest winds in a hurricane are found
a. ?at the center of the storm. b. ?in the eye wall. c. ?in the rain bands. d. ?at upper levels, above the center of the hurricane. e. ?near the periphery of the hurricane.