The Southern Oscillation is in a negative phase when pressures
A. are higher in Darwin than in Tahiti.
B. equal out in both Tahiti and Darwin.
C. are low in both Tahiti and Darwin.
D. are higher in Tahiti than in Darwin.
Answer: A
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Compared to the inner city, a poor urban area redeveloped into one consisting of high-rent homes and apartments and high-end shops is most likely a case of
A) gentrification, with the occupants wealthier Caucasians. B) a brownfield, inhabited by younger, poor Caucasians. C) gentrification, supporting older and less affluent people representing ethnic minorities. D) a Small House project supporting younger and wealthier people representing ethnic minorities.
Which of the following best describes the Distillation Method for desalination?
A) A current is run through positive and negative electrodes in freshwater separated by semipermeable membranes from seawater. B) Large icebergs are brought to coastal waters off countries that need freshwater where they are melted. C) Saltwater is boiled and the water vapor is passed through a cooling condenser, where it condenses as freshwater. D) Seawater is frozen and thawed multiple times, with the salts washed from the ice between each thawing. E) Water on the salty side of a semipermeable membrane is pushed under high pressure through the membrane to the freshwater side.
Pelagic oozes are derived from the shells of microscopic marine organisms
a. True
b. FalseA coarse-grained intrusive igneous rock composed mostly of feldspar and quartz is called
A. basalt. B. andesite. C. gabbro. D. granite. E. ryholite.