In the United States, Las Vegas, Nevada is one of the fastest growing population centers and this has resulted in
A. many people having to move away from the city.
B. an increase in demand for water.
C. forcing the city to look for water farther away.
D. Both an increase in demand for water and forcing the city to look for water farther away are correct.
Answer: D
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The layered appearance of foliated metamorphic rocks is due to the
A) laying down of minerals, layer upon layer. B) realignment of minerals so that they are perpendicular to compressive forces. C) recrystallization of minerals. D) mechanics of weathering minerals.
Soil erosion is primarily a major problem only at the site where it occurs
Indicate whether the statement is true or false
What group of animals receives the most protection by the use of wildlife refuges?
A. small mammals B. migratory waterfowl C. large mammals D. songbirds E. reptiles
Zero population growth occurs in a population when ________
A) total fertility rate exceeds the average replacement rate B) birth rate equals death rate, and there is no migration C) the ecological footprints are larger than the carrying capacity D) the carrying capacity is larger than the ecological footprint E) people have as many children as they can in the first five years of marriage