AP Environmental Science › Formation, Extraction, and Purification
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
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.