Earth
What fuel comes from the remains of 300-million-year-old decayed fern plants?
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What is the only continent on Earth that does not have snakes?
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What product of burning fossil fuels can cause death by preventing oxygen from getting to cells?
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Which of the following describes a period of abnormally dry weather for a specific area?
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Which of these is the first step in the making of a fossil?
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What type of clouds surround the eye of a hurricane?
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