How much heat energy is needed to turn 1 gram of water at 100 degrees Celsius into water vapor?
-5.4 calories of heat energy
-54 calories of heat energy
-540 calories of heat energy
-5400 calories of heat energy
-540 calories of heat energy
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In a truly free-market economic system, all economic decisions are governed solely by principles of fairness, democracy, and individual choice.
Answer the following statement true (T) or false (F)
Which of the following is FALSE regarding nuclear power?
A) Some countries have begun phasing out nuclear power plants. B) Nuclear power plants are expensive to build. C) Nuclear fusion creates large amounts of nuclear waste. D) Accidents have occurred at a few nuclear power plants around the world. E) Nuclear waste can contaminate the areas where it is disposed.
Which area(s) on this world map is (are) likely to have volcanoes above sea level?
A. A B. B C. C D. D
Some of today's leading environmental thinkers, such as Dr. Wangari Maathai of Kenya
A. Have focused only on local environmental issues B. Have denounced the use of technology C. Have shown that a slight decrease in human welfare must accompany environmental protection D. Treat humans as an entity separate from the environment in which they live E. Are linking improved environmental quality with social progress