What are the effects of improvements in transportation?
A) promote spatial interaction
B) stimulates specialization
C) increases land and labor productivity
D) promotes more efficient use of capital
E) all of the above
E
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How many atmospheric cells are present in each hemisphere?
a. 3 b. 4 c. 6 d. 8
Which of the following triglycerides is most likely to be a fat?
A) one which contains relatively short chain saturated fatty acids B) one which contains relatively short chain unsaturated fatty acids C) one which contains long chain saturated fatty acids D) one which contains long chain unsaturated fatty acids
These temperature data show that since the 1880s
A. temperatures have risen 6° C. B. insufficient data exists to definitively state global warming has occurred. C. temperatures have remain unchanged. D. temperatures have risen around one degree C.
Vegetation decreases runoff by
A) reflecting only the green portion of sunlight B) absorbing water into leaves C) intercepting rainfall and slowing its fall to the ground D) holding soil in place