Earth
What substance can layers of decayed plants form over time?
More Questions from Earth
What weather-related term comes from Greek words for "high in the sky" and "knowledge"?
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What theory proposes that Earth is made of plates that move?
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What is the test that can help determine the hardness of a rock called?
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What is the most common element in Earth's atmosphere?
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What acidic precipitation occurs when sulfur dioxides build up in the clouds?
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What molecules in fossil fuels are made from carbon and hydrogen?
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