Why does diapirism not initiate as a result of density inversion alone?
What will be an ideal response?
Ans: The overburden is generally too strong, so the overburden must fracture or fault before diapirism can initiate.
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It is common for the predator population to lag behind the prey population by about
A) a quarter of a cycle. B) a third of a cycle. C) half of a cycle. D) one cycle.
The Bergen scientists noticed that cyclogenesis commonly initiated at all of the following places, except
A) in the middle of areas with uniform temperatures. B) near coastal regions. C) near boundaries between warm and cold ocean currents. D) where topographical features disrupted normal air flow.
U.S. inner cities face fiscal problems because
A) federal and state funds are available. B) low-income people are concentrated there. C) middle-class families are attracted there. D) redlining is no longer legal. E) blockbusting has strengthened ethnic neighborhoods.
The southern supercontinent is called
A. Laurasia B. Glossopteris C. Pangaea D. Gondwanaland