What can occur during the evolution of a hot spot?
A) An initial period of subsidence as magmas rise from the mantle
B) Formation of a fold and thrust belt
C) Formation of rifts that radiate out from the hot spot
D) Thickening of the crust beneath a passive margin
E) None of these are correct.
C) Formation of rifts that radiate out from the hot spot
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Adding fertilizer to most aquatic systems results in
A) increased growth of phytoplankton and hypoxic conditions. B) increased growth of phytoplankton and hyperoxic conditions. C) decreased growth of phytoplankton and hypoxic conditions. D) decreased growth of phytoplankton and hyperoxic conditions.
A rawinsonde does not measure
A) air composition. B) wind direction. C) air temperature. D) humidity. E) air pressure.
In terms of the three-cell general circulation model, where are the driest regions of the Earth located?
A. near 30° latitude and the polar regions B. near the equator and 60° latitude C. near the equator and 30° latitude D. near the equator and the polar regions
Which of the following explains why thunderstorms along cold fronts are more severe than thunderstorms along warm fronts?
A. Uplift is more rapid along cold fronts. B. Cold air has a greater capacity for moisture. C. Cold fronts move more slowly than warm fronts. D. There is greater turbulence ahead of cold fronts due to the higher air pressure.