The theory of plate tectonics states that
A. buoyant lithospheric plates float on top of the rigid asthenosphere.
B. the lithosphere is broken up into several plates that move about as a result of convective motion in the asthenosphere.
C. earthquakes and volcanic activity result from convection motion in the lithosphere.
D. the plates move in conveyor-belt fashion as new crust is generated at the continental margins and destroyed at the midocean ridges.
Answer: B
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a. offshore b. foreshore c. nearshore d. backshore
If the amount of energy lost by Earth to space each year were not approximately equal to that received,
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Soil degradation can also occur when mature soils are covered over by immature soils. Which specific kind of mining technique is causing this type of soil degradation in West Virginia?
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