Earth

What type of energy sources can't be replaced readily within a 30-year span?

More Questions from Earth
What family are both poison oak and poison ivy part of?
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A "gustnado" is a gust from what?
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In which U.S. state was the prehistoric proglacial lake Glacial Lake Missoula located?
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What does Earth do to cause night and day?
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Earth is the ______ planet from the sun?
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What type of scientist studies microscopic plants and animals?
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What are the traces of animals and plants left in rocks called?
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What famed rock is 1396 feet high, 2.75 miles long, and .25 miles wide?
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