"Fracking"

1. What is the purpose of "fracking?" The purpose of "fracking" is when water and chemicals are injected into the ground at high pressure to break up rocks and release gas that is trapped there.
2. How is "fracking" done? "Fracking is done by drilling natural gas and water into wells.
3. Why are people concerned about "fracking?" People are concerned over "fracking" because they think it will contaminate their drinking water. Also, one "fracking" incident led to an eruption of a volcano that killed at least 13 people and displaced 30,000 people.