Which of the following could be represented by a physical model?
A. a cell
B. rationality
C. ecosystem
D. an atom
E. both A and B
Answer: A
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Which of the following is not true of annexation in the U.S.?
A) Rules concerning annexation vary among states. B) Normally, land cannot be annexed into a city even if a majority of residents in the affected area vote in favor of doing so. C) Peripheral residents generally desired annexation in the nineteenth century, because the city offered better services, such as water supply, sewage disposal, and trash pickup. D) Today's cities are surrounded by a collection of suburban jurisdictions whose residents prefer to remain legally independent of the large city. E) As U.S. cities grew rapidly in the nineteenth century, the legal boundaries frequently changed to accommodate newly developed areas.
Which nation is currently phasing out nuclear power while, at the same time, pushing aggressive goals for renewable energy and greenhouse gas emissions?
A. France B. China C. India D. Germany E. Iceland
Compared to the United States, Japan's gross national income in 1960 was
A. one half B. one third C. one eighth D. twice the size
The Resource Conservation and Recovery Act and its subsequent amendments generally regulate
A) disposal of solid wastes on land. B) the materials that can be recycled. C) the types of materials that can be used in manufactured products. D) the pollutants that can be discharged into the air.