The drainage density on clay soils is likely to have what relationship to the drainage density on gravel soils?
A) greater drainage density on clay soils
B) greater drainage density on gravel soils
C) equal drainage density, the soil type has no effect
D) greater drainage density on clay soils, but with fewer streams
A
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Which of the following problems arise because the grid spacing in modern computer forecasting models has become increasingly smaller?
A. Small-scale weather features can be resolved by the models. B. Mesoscale weather features cannot be predicted. C. Atmosphere-oceans interactions cannot be resolved. D. Many more computations are needed.
What system is used to name hurricanes if the established list of names is exhausted in a given year?
A) Latitude/longitude B) The Greek alphabet C) Roman numerals D) U.S. Presidents
Your friend shows you a purple-colored mineral sample he recently found while walking the beach. He claims that it must be quartz, because the color matches that of another quartz sample he saw in a museum. Do you think his identification is accurate?
A. Yes; the mineral quartz is almost always the color purple. B. Maybe; further tests must be done to positively identify the mineral, since quartz can come in many different colors. C. No; the mineral quartz is never purple.
A discount rate is the estimate of a resource's future economic value compared to its present value.
Answer the following statement true (T) or false (F)