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Earth
Ruby and sapphire are gem forms of which mineral?
Earth
Ruby and sapphire are gem forms of which mineral?
Corundum
Chrysoberyl
Chalcedony
Chrysoprase
More Questions from Earth
How long does it take the earth to rotate around its axis?
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In a "drought", what is absent in terms of weather?
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A "gustnado" is a gust from what?
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What bodies of water cover almost 70% of the Earth?
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What fuel comes from the remains of 300-million-year-old decayed fern plants?
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How long does it take earth to revolve around the sun?
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What do we call the dependable winds that rush toward the equator from the north and south?
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On which continent is the biggest area of rain forest found?
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