Earth
78% of the earth's atmosphere is composed of which gas?
More Questions from Earth
Which pairs of minerals are almost always found together?
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On which continent is the biggest area of rain forest found?
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What did ancient farmers probably use to tell the passing of seasons?
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What is the term for when pieces of glaciers break off and form icebergs?
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What type of rock forms from melted rock and comes to the surface to harden?
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What percentage of rock-forming minerals are silicates?
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What is the only continent on Earth that does not have snakes?
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The Hawaiian Islands are a good example of which type of volcano?
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