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How Big Is Your Carbon Footprint?
Today’s Wonder of the Day is for all you citizens of Planet Earth!
How Big Is Your Carbon Footprint?
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What Is a Hybrid?
If today’s Wonder of the Day runs out of gas, at least it has batteries!
What Is a Hybrid?
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What Is a Muscle Car?
Today’s Wonder of the Day is all about horsepower, but there aren't any manes or hooves in sight! Vroom! Vroom!
What Is a Muscle Car?