Earth
What substance can layers of decayed plants form over time?
More Questions from Earth
What type of fossils give only evidence of activities of past living creatures?
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Sudden flooding caused by heavy rain is called what?
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What percentage of known volcanoes are subaerial, meaning they erupt into the atmosphere?
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How many sides of a peninsula are surrounded by water?
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What mineral makes both sapphires and rubies when cut and polished?
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On which continent is the biggest area of rain forest found?
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Which country produces about 1/5 of the world's garbage per year?
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