What is the general term for deposits of calcite and/or aragonite within caves?
A)stalactites
B)stalagmites
C)spears
D)dripstone
E)calcite-stone
D
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Whereas max believed the equitable distribution would solve perceived imbalances between populations and food supply, Malthus argued for
A) birth control. B) women's rights. C) colonialism. D) technology. E) emigration.
Which set of islands all rest upon a volcanic axis?
A) Dominica, Jamaica, the Bahamas
B) Montserrat, Martinique, Cuba
C) Cuba, Hispaniola, the Bahamas
D) Cuba, Jamaica, the Bahamas
E) Dominica, Martinique, St. Lucia
Upper-level air that flows straight from west to east across the United States
A) favors formation of strong cyclones. B) is associated with meridional patterns. C) does not have pronounced vorticity characteristics. D) is breaking the normal upper-wind flow pattern from east to west.
Surface water with no dissolved oxygen is probably contaminated by
A. PCB's. B. suspended sediment. C. acid rain. D. organic matter.