Which of the Following Statements Is True of Fracking

question 52

Multiple Choice

Which of the following statements is true of fracking? 

• A) It has turned the United States into the number-one oil producer in the world as of 2014. 
• B) It greatly contributes to the release of greenhouse gases into the atmosphere. 
• C) It is a costly process owing to high prices of oil and gas. 
• D) It involves pumping a high-pressure mixture of iron and sulfur into oil- or gas-bearing underground rock. 
• E) It is commonly known as hydraulic drilling.

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