Suppose an electric-generating power plant is about to be built near your house. The local government has not decided whether to allow coal, nuclear, or oil as fuel for the plant (natural gas is not an option). Some groups argue coal is the best choice because there is a 200-year supply and using coal reduces our dependence on foreign oil. Critics argue that burning coal produces three times more global-warming gasses than oil. Coal also produces more dust and expels more acid-rain-causing gases than oil. Others argue that nuclear-generated power produces no greenhouse gases and no other atmospheric pollution. Critics argue that there is presently no long-term location to store the radioactive waste that will be generated and question the safety of nuclear power. Over the life of the
plant, nuclear is the least expensive option, followed by coal and then oil.Place the fuel options from this paragraph in order from highest impact on global warming to least impact.
A. Oil, coal, nuclear
B. Coal, oil, nuclear
C. Nuclear, oil, coal
D. Coal, nuclear, oil
Answer: B
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A glacier forms when
A. snow moves downslope under the influence of gravity. B. temperatures do not rise above freezing. C. snow accumulates to form ice and the ice mass begins to flow under its own weight. D. meltwater at the base of a snowmass contributes to downslope flow.
The Maori of New Zealand came from
A. Australia B. China C. South America D. South Pacific islands
True or False: Mass movement occurs when the resisting forces exceed the driving forces
Indicate whether this statement is true or false.
Is nuclear power a safe energy source today? Defend your answer
What will be an ideal response?