What explains why the soil property known as ion exchange is important in environmental geology?
A. causes farmers to use more chemicals to control weeds
B. makes soils fertile by allowing them to store nutrients
C. leads to the buildup of salts within a soil
D. reduces soil erosion in sandy soils
E. causes soils to compact more easily
Answer: B
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Many of the volcanoes in mainland Alaska and the Aleutian Islands ____
A)are in the Cascade Range B)were formed over hot spots C)were formed over divergent plate boundaries D)have formed within the last 1000 years E)are composite volcanoes
San Francisco, California and Baltimore, Maryland are located at approximately the same latitude. Why does Baltimore experience more rainfall totals in the summer months than San Francisco?
Which of the following is formed when a strong acid reacts with methylamine, CH3NH2?
A) CH3NH3 B) CH3NH3+ C) (CH3)2NH2+ D) None of these, no reaction occurs.
The ring of contiguous urbanization extending beyond, and around, the core city, yet within the metropolitan area is known as ________
A) Exurban B) Suburban C) The urban core D) Growth cities