Approximately how fast does groundwater move beneath the surface of the Earth?
A. a few kilometers per day
B. a few kilometers per hour
C. a few meters per day
D. a few centimeters per day
Answer: C
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Which of the following is used in diagnosing infectious hepatitis?
A) ALT B) CPK C) LDH D) PHI
Another name for steep-sided dry canyons found in eastern Washington is what?
A) Gulches B) Box Canyons C) Coulees D) Perennial Canyons
An age-dependency ratio of 100 means that the working-age population is larger than the age-dependent population.
a. true b. false
Which of the following does NOT describe the status of the world's wild fisheries?
A. Subsidies are necessary to make the fisheries profitable. B. Habitat destruction threatens the fisheries. C. Fish farming has allowed some wild fish to recover worldwide. D. Overharvesting threatens the fisheries. E. All of these describe the status of wild fisheries.