Earth

What is the hardest mineral known on Earth called?

More Questions from Earth
From what type of storm does a hurricane form?
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What are the three main categories of rock?
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What cloud has a flat, sheetlike appearance?
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Which of these is a spiral storm that can be many miles wide?
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Which of the following describes a period of abnormally dry weather for a specific area?
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What breaks when its height is 3/4 of its depth?
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What term describes the overflowing of rivers or streams?
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Which word means to "filter down through the soil horizons"?
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