In the Aw climates of India and southeast Asia, the alternating wet and dry seasons are caused by:
A) seasonal changes in ocean current patterns.
B) the shifting location of the subpolar low pressure system.
C) the process of desertification.
D) the monsoon.
D
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Where abundant groundwater percolates through limestones, ________ may be formed.
A. artesian wells B. sinkholes and caverns C. aquicludes D. perched water tables
Why is glacial ice analogous to a metamorphic rock?
A) It has a definite chemical composition. B) It has a crystalline structure. C) It forms as a result of recrystallization caused by pressure. D) It is solid.
________ occurs when weathering concentrates minor amounts of metals scattered through unweathered rock into economically valuable concentrations
A) Passive collection B) Secondary enrichment C) Concentration D) Hydraulic fracturing
What is the name of the hypothesis proposed for the formation of the solar system?
A. Andromeda hypothesis B. Electromagnetic hypothesis C. Nebular hypothesis D. Coronal hypothesis E. Heliocentric hypothesis