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| fuels such as coal, crude oil, natural gas that were formed from the remains of swamp vegetation and/or animals that lived about 300 million years ago |
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| another word for crude oil |
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| porous rock containing tiny droplets of oil forced there by changes in the Earth's crust |
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| a method used to determine the location of potential oil and gas reserves by sending shock waves through the layers of the Earth's crust. The printout generated by the reflections of the waves shows the underground rock formations |
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| the component of the oil well that lifts oil located deep underground hundreds of metres to the surface |
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| a process by which a substance such as crude oil is separated into its component parts by boiling it and then condensing the resulting vapours |
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| a chemical reaction in which a substance combines with oxygen to produce heat and light (burning) |
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| a group of fossil fuels that are made up of hydrogen and carbon (includes crude oil, methane, propane, etc.) |
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| something that can be used only once and will not form again in nature in the foreseeable future |
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| acid deposition - acid precipitation |
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Definition
| acidic materials that deposit on the Earth (liquids or solids that contain sulfuric or nitric acid) = acid rain or dry pollution "dust" |
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Term
| global climate change (global warming) |
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Definition
| long term shifts in climate patterns causing some places to get warmer and others cooler than normal |
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