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o2 o2
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7 years ago
Several auto makers have recently come out with hybrid engines which rely partially on gasoline and partially on electricity. Such innovations are examples of solving environmental problems by
   a.   improving technology.
   b.   adopting a sustainable lifestyle.
   c.   raising awareness of the problem.
   d.   eliminating our reliance on fossil fuels entirely.
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sleepersleeper
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7 years ago
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