Answered

The gas from the Marcellus shale:
a. Is produced by "fracking", the prehistoric technique of sucking gas out of rocks using a straw, so-named because someone once said, "What the frac...".
b. Is produced by "fracking", which heats the rocks greatly to drive the gas to wells.
c. Is produced by "fracking", which is an illegal "infraction" against Pennsylvania laws forbidding gas production, so all the "fracking" is done at night.
d. Is produced by "fracking", which employs special "diffraction" lenses to separate valuable fossil fuels from the almost-worthless shale.
e. Is produced by "fracking", which uses high-pressure water and chemicals to make new "fractures" in the shale that allow the gas to escape to wells.

Answer :

maryasay

Answer: E. Is produced by "fracking", which uses high-pressure water and chemicals to make new "fractures" in the shale that allow the gas to escape to wells.

Explanation:

The Marcellus is a large area in the eastern part of the USA. Natural gas is extracted here through fracking or hydraulic fracturing. This is a process in which water at high pressure is injected into a drilled holes thereby creating holes in the rocks housing the gas and petroleum and sending them into a well .

While fracking provides natural gas, a cleaner source of energy than coal, fracking has some environmental costs such as ground water contamination and the risk of setting off earthquakes.

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