Earth
What fuel comes from the remains of 300-million-year-old decayed fern plants?
More Questions from Earth
What "flow" causes a buckling effect in the jet stream?
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What chamber do divers go into to prevent a diving sickness called "the bends"?
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How long does it take for the Earth to rotate around completely on its axis?
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What is a sudden collapse and downward motion of ice and rocks down a mountainside?
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Which pairs of minerals are almost always found together?
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