Net convergence of air would cause surface pressure to ____ and net divergence would cause surface pressure to ____
a. increase; decrease
b. increase; increase
c. decrease; decrease
d. decrease; increase
e. remain the same; remain the same
ANSWER: a
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Which of the following processes is NOT considered physical weathering?
A. prying by plant roots B. oxidation C. near-surface fracturing D. frost wedging E. thermal expansion
You have read about the mistakes made on Easter Island. On Tikopia, a small island in the Solomon Islands, the people acted in other ways. When they realized that the pigs they had imported were damaging the environment, they killed them all. They had to
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In the diagram below, the understory is at
A) A.
B) B.
C) C.
D) D.
The Pacific high and Bermuda high are
A) more dominant during the summer months because the ocean temperatures are warmer than land temperatures at the same latitude. B) more dominant during the summer months because the ocean temperatures are cooler than land temperatures at the same latitude. C) less dominant during the winter months because the ocean temperatures are cooler than land temperatures at the same latitude.