Life expectancy is the
A. Probability that an individual will survive infancy
B. Number of individuals in a population that survive in a given year
C. Number of years an individual of a certain age will probably live
D. Maximum life span that an individual of a given species could reach
E. All of these are descriptions of life expectancy
Answer: C
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A) cinder cone. B) shield volcano. C) composite volcano. D) volcanic dome. E) caldera.
The concepts of velocity and acceleration are
A. very different from each other. B. different names for the same idea. C. concepts developed by Aristotle. D. none of the above
Wave energy tends to be focused on bays and away from points because of wave refraction. Indicate whether the statement is true or false
Which one of the following choices involves an ethical decision?
A. Deciding to buy the cheaper of two similar items. B. Deciding whether or not to allow trophy hunting of elephants because the money trophy hunters pay provided income and food for local people. C. Determining which one of two pieces of art is the best. D. All of these are correct.