Which of the following statements is accurate?
A. Developed countries consume more energy due to affluence and access.
B. Developed countries consume less energy due to poverty.
C. Developing countries consume more energy due to increasing wealth.
Developing countries consume more energy due to increasing affluence and access.
E. Developing and developed countries consume the same amount of energy.
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In some developed countries, the per capita energy consumption is decreasing. This could be attributed to
A. fewer people.
B. incorrect data.
C. increasing energy efficiency.
D. inefficiencies in the energy generating facilities.
E. access to cheaper oil.
Biomass is a renewable fuel and has fewer emissions than fossil fuels; but one of the negative consequences to using it is
A. the addition of ethanol.
B. an unequal global distribution.
C. the large amounts of carbon emissions.
D. the high production expense.
E. the creation of a monoculture crop on land that could be used to produce food.
Photovoltaic cells produce energy by
A. converting light energy into electrical energy, which created an electronic current by moving protons.
B. changing solar energy into electrical energy, which creates an electric current by moving electrons.
C. using mechanical energy from wind to create an electrical current.
D. absorbing sunlight and heating water, which then produces steam to turn the turbines.
E. splitting water molecules and converting hydrogen into electrical energy.
How is wind harnessed for energy?
A. Kinetic energy is collected in turbines and converted to electrical energy.
B. Solar energy is converted into kinetic energy.
C. Kinetic energy is converted to electrical energy though photovoltaic cells.
D. Wind energy is captured and used to heat water, which then produces steam to turn turbines.
E. Winds potential energy turns the turbines which then produces electrical energy.
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