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Coal continues to be the main fuel used to generate electricity in the United States. This is partially because ________.
the country has such large reserves of coal
Many industrialized nations have their economies closely tied to imported fossil fuels. One important consideration is that ________.
the economy can be disrupted by the decisions made in fuel exporting nations
Which of the following are documented negative impacts of dams?
flooding, habitat destruction, alteration of river sediment deposition
Ultimately, all biofuels are ________, because they are the result of ________.
The largest problem with adopting the new technology of renewable resources is ________.
that the start-up costs may be high
The primary motivation to develop the new renewable energy sources comes from ________.
concerns over diminishing fossil fuel supplies and negative environmental impacts of fossil fuel use
According to the IPAT model, technology that enhances our acquisition of minerals, fossil fuels, timber, and ocean fish ________.
increases environmental impact
Looking at the figure, you are able to determine ________.
that the population in the part (b) is growing rapidly
What is the population in part (b) likely to experience soon?
resource depletion and decreased quality of life
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