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Topographic maps, Fossil Fuels

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Question
Answer
A ________ is any material used to satisfy a need.   Resource  
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Most energy resources used to generate electricity are ____________.   Nonrenewable  
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Nonrenewable resources are...   Used faster than the Earth can replace them  
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Fossil fuels are made of the...   Remains of dead plants and other organisms  
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Fossil Fuels are formed over _________ of years   Millions  
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The most prominent fossil fuels are ___, _______ ___, ____   Oil, Natural Gas, Coal  
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___ makes gasoline for cars   Oil  
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_______ ___ heats homes.   Natural Gas  
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____ generates electricity.   Coal  
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____is the most abundant fossil fuel, a rock that contains at least 50% plant remains.   Coal  
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Hydrocarbons can be extracted from coal to form liquid and gaseous _________ _____.   Synthetic Fuels  
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Over millions of years, the buried remains of microscopic organisms form ___ and _______ ___.   Oil and Natural Gas  
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___ is a thick black liquid hydrocarbon.   Oil  
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_______ ___ is a gaseous hydrocarbon that often forms with ___, but above it, since _______ ___ is a lighter molecule.   Natural Gas...Oil...Natural Gas  
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Americans obtain most of their energy from ___ and _______ ___   Oil and Natural Gas  
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