A population pyramid like Japan's predicted 2050 pyramid represents
A) the results of medical technology transfer seen in developing nations.
B) a government policy to attract elderly immigrants.
C) an aging population and contraction in the work force.
D) a younger population decimated by the pandemic AIDS.
E) recovery after the 2011 earthquake.
Answer: C
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Which of the following best describes what is meant by an ecological footprint?
a. It is the average size of the lot on which a family home is built. b. It is the number of acres necessary to grow enough food to support a family. c. It is the geographic area in which a person travels during the course of their average daily activities. d. It is the amount of biologically-productive land and water needed to supply the people in a particular country or area with the resources they need. e. It is the amount of tillable agricultural land necessary to supply the food requirements of a nation.
The overall impact of farm subsidies on a worldwide scale is to increase food surpluses in the rich countries and to discourage food production in the poor countries
Indicate whether the statement is true or false.
The Andes mountains is an example of a(n) ____
A) ridge system B) island arc system C) passive margin D) active margin
What does analysis of stable oxygen isotopes in carbonate rocks indicate?
A. Future temperature changes in the oceans B. The future temperature of Earth's atmosphere C. The past temperature of Earth's atmosphere D. Ancient temperature changes in the oceans