Oil and gas-bearing formations several thousand feet below the surface are blasted under high pressure with large quantities of water, sand, and chemicals, cracking the rock to release trapped oil and gas. This is called:
A) hydro-therming
B) water cracking
C) fracking
D) chapping
C
You might also like to view...
The adjusting of geospatial datasets in real time to make changes to maps and other visual models is called
A) global positioning. B) geographic synchronization. C) geovisualization. D) remote sensing.
What is NOT a contributing factor to the economic downturn of 2009?
A) It is the end of a 40-year growth cycle in the stock market. B) It was the peak of a 30-year commodity cycles. C) Peak oil prices and real estate prices collided with a downturn in the stock market. D) The spending wave of the baby boomers came to an end. E) failure of Americans to innovate after the tech boom of the 1990s
What was the population of the Earth (as of the book's publication)?
A) over 7 million B) nearly 2 billion C) over 7.4 billion D) 670 million E) nearly 2 trillion
Researchers were studying a population of birds on Daphne Major, one of the Galápagos Islands. A drought caused many plants on the island to die. There were few seeds left for the birds to eat. Small seeds, which were easy to eat, disappeared quickly. Larger seeds remained available. Birds with thicker beaks were better able to crack and eat these larger seeds. Which of the following statements about the population on Daphne Major is TRUE?
A. Birds with thick beaks are more likely to survive during the drought. B. Birds with thin beaks are more likely to survive during the drought. C. Birds with thin beaks and birds with thick beaks are equally likely to survive during the drought. D. It is impossible to tell from the information provided.