The newspapers today are filled with information on the problems facing the United States airline industry. The effect on the aluminum industry has been tremendous. Eighty percent of the metals in an airplane are aluminum and when people stop flying, air lines stop ordering new planes. The demand for aluminum in the airline industry is:
A) reciprocal.
B) accelerated.
C) cumulative.
D) derived.
E) synergistic.

Question

Quizplus · Accepted Answer

The demand for aluminum in the airline industry is derived because it depends on the demand for airplanes, which in turn depends on the demand for air travel.

The Newspapers Today Are Filled with Information on the Problems