AP Environmental Science : Formation, Extraction, and Purification

Study concepts, example questions & explanations for AP Environmental Science

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Example Questions

Example Question #5 : Fossil Fuels

Hydraulic fracturing, also called "fracking," is __________.

Possible Answers:

the splitting apart of water molecules

a method of deforestation used primarily in Northern Europe

a tool used by humanitarian groups to disperse water

a result of earthquakes

a way to extract oil from underground sources

Correct answer:

a way to extract oil from underground sources

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.

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