One way to cut individuals' consumption of oil is to ________.
a. decrease gasoline taxes
b. increase gasoline taxes
c. adopt a cap and trade policy
d. enforce the Kyoto Protocol
e. reduce the price of gasoline
Which of the following is true?
a. Ethanol from corn is efficient.
b. Biofuels help to hold down carbon dioxide emissions.
c. Power-generating by natural gas is costlier than coal in the United States.
d. Coal is the cheapest way to generate power in most parts of the world.
e. Oil sands in Canada and oil shale in the U.S. West are scarce.
Which of the following is a claim made by oil experts?
a. There is plenty of oil in the world, but it is getting expensive to extract.
b. There is not much oil in the world left to be found.
c. There are plenty of big easy oil fields waiting to be discovered,
d. The difficult tough oil fields yield oil that is too expensive to ever extract.
e. There is still an abundance of desirable light sweet crude.
Why has generating solar energy as an alternative to fossil fuels not been successful so far?
a. Machines to capture it break or salt up.
b. Environmentalists have protested the pollution it causes.
c. Massive subsidies to solar projects have led to oversupply and firms have gone
bankrupt.
d. It is impractical for domestic use.
e. It is not possible to produce solar energy on a large scale.
Malthus has, so far, been proven wrong because he ________.
a. failed to take into account decreased supplies
b. failed to take into account increased supplies and technological change
c. overestimated the rate of population growth
d. underestimated the rate of population growth
e. failed to take into account technological change and overestimated the rate of population
growth
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