Weathering in tropical climates can produce residual ores rich in
A. feldspar and mica.
B. iron and aluminum.
C. sulfur and sulfide ores.
D. calcite and quartz.
Answer: B
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A soil's infiltration capacity
A) has little effect on POTET. B) typically increases when dense vegetation is present at ground level. C) is a measure of how much sunlight a given type of soil can absorb. D) is eliminated on bare soils.
How does the analysis of marine sediments provide information about the climate of the ancient Earth?
What will be an ideal response?
The Northern Hemisphere has a steeper temperature gradient in its winter than the Southern Hemisphere does in its winter because:
A) the earth's axis is tilted 23.5 degrees to the north. B) the Northern Hemisphere contains more land than does its southern counterpart. C) solar radiation from the Sun can vary by as much as seven percent. D) the earth's orbit is not circular.
An inversion represents an extremely stable atmosphere because air that rises into the inversion
will eventually become __________ and __________ dense than the surrounding air. a. warmer, less b. warmer, more c. colder, less d. colder, more