Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts
A) consisting of algae, lichens, and mosses that stabilize the soil surface.
B) consisting of algae, lichens, and mosses that continue to erode the soil surface.
C) characterized by large stones and gravel called desert pavement.
D) representing accumulations of salts that prevent plant and fungal growth at the soil surface.
Question 2
The choices to live in ever-expanding suburbs, despite the costs to society and the environment, reflects a choice, made either consciously or unconsciously, that places greater value on
A) common good over personal good.
B) personal good over common good.
C) resource services over environmental services.
D) environmental services over economic services.
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