passage: 1The three main categories of fossil fuels are petroleum,
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Unknown Title1The three main categories of fossil fuels are petroleum, natural gas, and coal. 2Each type of fossil fuel has
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3 answers
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Unknown Title1The three main categories of fossil fuels are petroleum, natural gas, and coal. 2Each type of fossil fuel has
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3 answers
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72 views
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11 answers
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7 answers
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Unknown Title1The three main categories of fossil fuels are petroleum, natural gas, and coal. 2Each type of fossil fuel has
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5 answers
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84 views
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Unknown Title1The three main categories of fossil fuels are petroleum, natural gas, and coal. 2Each type of fossil fuel has
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1 answer
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Pie
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1 answer
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131 views
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Unknown Title1The three main categories of fossil fuels are petroleum, natural gas, and coal. 2Each type of fossil fuel has
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2 answers
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80 views
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1 answer
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32 views