Which of the following statements regarding population density is TRUE?
A) crude population density will always be higher than physiological density
B) agricultural density is rarely higher than crude population density in sub-Saharan Africa
C) physiological density must be higher than crude population density
D) crude population density is higher than agricultural density
E) if the crude population density is low, the physiological density will be even lower
C) physiological density must be higher than crude population density
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What is transmutation?
A. changing one element into another by adding or removing neutrons from the nucleus B. changing one element into another by adding or removing protons from the nucleus C. a process that emits radiation D. alteration in DNA due to radioactivity E. changing one element into another by adding or removing electrons from the nucleus
You might expect a flower pollinated by a hummingbird to
A. give off a fragrant smell. B. open only at night. C. be white in color. D. be red in color.
The process in which numbers of jobs in manufacturing decline and old factories in an area become derelict is
A. deindustrialization B. tariff reduction C. welfare reform D. nationalism
What strategies have been adopted for reducing or eliminating the use of freons?
What will be an ideal response?