Fracking is a process of extracting shale gas. It is considered revolutionary since it increased the potential sources of fossil fuel consequently lowering the price of fuels. However, it is also considered as controversial and have been banned by some states in in the US. Why so? Explain.
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Answer:
Explanation:
Hydraulic fracturing – commonly known as fracking – is the process used to extract shale gas. ... Fracking fluids containing sand, water and chemicals are then pumped at high pressure into the drilled holes, to open up fractures in the rock, enabling the trapped gas to flow through the fractures into collection wells.The use of hydraulic fracturing to extract oil and gas from the earth dates back to the 1940s, but only in the past few years has "fracking" become an energy buzzword, alluding primarily to the shale gas boom in the United States and all of the controversy that has accompanied it. Fracking-the high-pressure injection of water, chemicals and sand into shale deposits to release the gas and oil trapped within the rock-in recent years has been combined with horizontal drilling and other improvements in technology to harvest stores of gas and oil that previously were thought commercially unfeasible to access.
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