According to some critics, why doesn't an emphasis on improving energy efficiency succeed in reducing energy consumption?
A. Some people quickly switch back to less efficient products.
B. Early efficiency improvements are reversed, resulting in a net decrease in efficiency.
C. Energy-efficient products become too expensive because of demand.
D. People tire of hearing about efficiency.
E. Some people tend to use more energy when they buy energy-efficient devices.
Answer: E
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What will be an ideal response?
Compared to land, water bodies:
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