The principle of continents being in a buoyant equilibrium is called
A. convection
B. subsidence
C. isostasy
D. rebound
Answer: C
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Geologic evidence indicates that more than 25% of the entire Pacific Coast of North America consists of ____
A)volcanic rocks B)oceanic crust C)metamorphic rocks D)accreted terranes E)Precambrian continental crust
Urbanization influences soil erosion processes primarily because of
A) increased runoff from impermeable surfaces B) increased soil pollution from street runoff C) vegetation removal and soil disturbance at construction sites D) desiccation of soils through draining and pumping of water
You remove the pot of boiling hot water and set it on a cooler part of the stove. Which mechanism is responsible for cooling the pot of water?
A) radiation B) latent heat C) convection D) conduction E) All of the listed mechanisms cool the pot.
Malthus argued that ________ is the ultimate cause of social and environmental problems, and Marx argued that population growth ________ social and environmental problems.
A. War; results from B. Excess population growth; results from C. Poverty; results from D. Poverty; is the ultimate cause of E. Excess population growth; is also the ultimate cause of