Earth
Which of the following minerals is the hardest?
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What type of gem is the Star of Africa or the Cullinar II?
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What event happened when water droplets were on a spider's web but it hadn't rained?
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What is the study of atmospheric conditions and climate called?
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What winds in California are responsible for forest fires during the winter?
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What type of glacier is Greenland or Antarctica called?
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In terms of weather, what is the land corridor that stretches from Texas to North Dakota called?
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