What extraction process involves setting off explosive charges to create cracks deep in rock and then pumping a mixture of water, sand, and chemicals into the cracks?
A. liquid extraction
B. solar conversion
C. vertical drilling
D. hydraulic fracturing
E. horizontal drilling
Answer: D
You might also like to view...
Which of the following statements about pH is true?
A) The pH scale measures the concentration of hydrogen ions in a solution. B) A pH of 3 is alkaline, a pH of 10 is acid. C) An acid is a substance that combines with a hydrogen in solution. D) On average, the pH of the ocean is moderately acidic.
Scientists are more accurate at predicting earthquakes than they are at predicting volcanic eruptions
Indicate whether the statement is true or false
Transmutation is caused by which of the following radioactive processes?
A) a emission B) g emission C) both a and b D) neither a nor b
No evidence of life has been found in the Precambrian.
a. true b. false