ANSWERS: 3
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Saving the world isn't going to be that easy, you know.
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Wind power is the easiest and the one that does least harm. Wood and corn are renewable. I think thatis what we shoukld be doing with all our grain. Burn it for fuel and tell the OPEC they can eat their oil!
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Hydro, wind, gasoline, solar, propane, oil, coal, methane, geothermal, tidal
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