Desertification can be caused by human activities.
a. true
b. false
a. true
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Compared to a gentle slope, a steep slope will have a
A) faster rate of soil formation and less soil. B) slower rate of soil formation and less soil. C) faster rate of soil formation and more soil. D) slower rate of soil formation and more soil.
Atmospheric deposition of pollutants is an example of point source pollution.
Answer the following statement true (T) or false (F)
A long-term effect of wave refraction is ____
A) to smooth and straighten a shoreline B) to add sediment to headlands that extend outward from the shore C) to erode and deepen bays D) to remove sand from the beach
Continents have a density of ________ and are made of ________ rock
A) 1.9 g/cm3; sandstone B) 4.5 g/cm3; gneiss C) 3.0 g/cm3; basalt D) 2.7 g/cm3; granite