Coal, Natural Gas, Oil
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| coal | a black or brownish-black combustible rock used as a fuel, formed from decomposed plants
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| underground mining | extraction of minerals or resources by digging beneath the Earth's surface
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| surface mining | extraction of minerals or resources from the Earth's surface
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| acid rain | rainfall made acidic by atmospheric pollution, causing environmental harm
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| smog | a type of air pollution caused by a mixture of smoke and fog, often from burning fossil fuels
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| particulates | tiny particles suspended in the air, often pollutants from combustion processes
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| petroleum | a thick, black liquid composed of hydrocarbons, used as fuel and in the production of oil
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| crude | unrefined petroleum, extracted directly from natural sources
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| hydrocarbons | organic compounds consisting entirely of hydrogen and carbon atoms
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| well | a hole drilled in the earth for extracting natural resources like water, oil, or gas
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| pipeline | a long network of pipes used to transport liquids or gases over great distances
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| refinery | an industrial facility where oil is processed and purified
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| refining | Process to remove impurities or unwanted elements.
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| natural gas | a gaseous fossil fuel consisting mainly of methane, used for heating and electricity
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| methane | the main component of natural gas, a colorless, odorless, flammable gas (CH4)
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| hydrocarbons | organic compounds consisting entirely of hydrogen and carbon (found in fossil fuels)
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| dry gas | natural gas that is primarily composed of methane
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| wet gas | natural gas that contains other hydrocarbons in addition to methane
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| cap rock | an impermeable layer of rock that traps oil, gas, or water in an underground reservoir
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| reservoir | a supply of oil or natural gas found underground
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| pores | tiny spaces in rocks that can hold fluids like water, oil, or natural gas
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| fracking | a method to extract natural gas from underground rock formations by injecting high-pressure fluid to fractures in the rock
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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busynessgirl
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