Here’s what is affected by government shutdown
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Much of the federal government shut down after Congress failed to reach a deal to approve new funding. Here's what that means.
Hydraulic fracturing, or fracking, is a technique for recovering gas and oil from shale rock. It involves drilling into the earth and directing a high-pressure mixture of water, sand and chemicals at a rock layer, to release the gas inside. Wells can be drilled vertically or horizontally in order to release the gas.