Earth
Ruby and sapphire are gem forms of which mineral?
More Questions from Earth
The Appalachian Mountains are best described as what type of mountains?
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One needs to travel to which state in New England to see the highest tides?
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Whose calculation of the size of the earth's diameter was almost exact?
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What plant's gel is often used in lotions and sunblocks?
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What is the name of the reddish soils of the humid tropics?
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What two countries lie on opposite sides of the Juan de Fuca Strait?
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What is the mountain range that separates Spain from France?
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