In polar areas
A. as ice melts, water's salinity increases, density decreases.
B. as ice forms, water's salinity decreases, density increases.
C. as ice melts, water's salinity increases, density increases.
D. as ice forms, water's salinity increases, density increases.
Answer: D
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The nineteenth century geographer E.G. Ravenstein noted that most migration involves ________
A) short-distance relocations between neighboring countries B) short-distance relocations within countries C) long-term relocation between neighboring countries D) long-term relocations within countries E) long-distance relocations within countries
What other geological processes could have resulted in the configuration of coastlines so that South
America and Africa appeared to fit together? What will be an ideal response?
Small glassy, translucent particles found in sediments and thought to be of extraterrestrial origin are called ________
a. turbidites b. tektites c. authigenic d. oozes
When an occlusion occurs
A. the cold front overtakes the warm front and the warmer air is lifted from the surface. B. the warm front overtakes the cold front and the warmer air is lifted from the surface. C. the warm front overtakes the cold front and the colder air is lifted from the surface. D. the cold front overtakes the warm front and the colder air is lifted from the surface.