In the process of getting energy to power your television, which of the following stages is the most energy efficient?
A. Thermal conversion of the energy from coal in the power plant
B. Burning the coal to run the power plant
C. Actually powering your television set
D. Transmission to your house
E. Mining the coal to run the power plant
Answer: C
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Economic growth of most developed countries focuses on
A. controlling human population size and resource use to fall within the earth's carrying capacity. B. internalizing external costs. C. maximizing the flow of matter and energy resources. D. social and environmental indicators of quality of life. E. minimizing the flow of matter and energy resources.
Methane (CH4 ), nitrous oxide (N2O), and chlorofluorocarbons (CFCs) are greenhouse gases
Indicate whether the statement is true or false
Which of the following was the tragic example of naturalistic arguments used to promote racism?
a. Huntington’s civilization research b. Morton’s Craniometry c. The social construction of the ozone hole d. The development of a bird sanctuary in India
Where does the largest input of solar energy occur?
A. the North pole B. the South pole C. at 30° N D. at 30° S E. the equator