Formation, Extraction, and Purification
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AP Environmental Science › Formation, Extraction, and Purification
Questions 1 - 1
1
Hydraulic fracturing, also called "fracking," is __________.
a way to extract oil from underground sources
a method of deforestation used primarily in Northern Europe
the splitting apart of water molecules
a tool used by humanitarian groups to disperse water
a result of earthquakes
Explanation
Fracking is the process of blasting rocks with a mixture of water, sand, and chemicals in order to extract oil from a well. It has grown in popularity in recent years, particularly in the U.S. and Canada.