In plate tectonics, intense geologic activity occurs ________.
A. at continental interiors
B. at plate boundaries
C. along mountain ranges
D. along coastlines
E. at the ocean floor
Answer: B
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Which policy is used in the U.S. with regard to the manufacture and sale of new chemicals?
A. Chemicals are assumed to be safe until substantial evidence to the contrary is proven. B. The chemical company must present overwhelming evidence that the chemical will do no harm. C. Chemicals are assumed to be dangerous until substantial evidence to the contrary is proven. D. Chemical manufacturers have enthusiastically supported laws that protect people over chemicals.
Which of the following would be considered a tertiary consumer?
a. Spider b. Deer c. Hawk d. Butterfly e. Rabbit
Santa Ana winds involve dry
A) east winds originating from the High Plains during drought. B) southerly winds originating from Mexico. C) northeast winds originating from the Mojave desert. D) southwest winds originating from the Great American desert.
One long distance Olympic race is the 10,000 meter run. Which of the following is most nearly the length of this run to three significant figures in feet? [1 meter is slightly longer than 39 inches]
A) 6.09 x 10^3 ft B) 6.22 x 10^3 ft C) 1.00 x 10^4 ft D) 3.28 x 10^4 ft