Offshore drilling is a common practice for obtaining oil for human use. For this process, a building the size of two football fields is built over the spot in the ocean that is going to be drilled into. The rig can last 30 years and remove millions of gallons over its time in service. Oil can be used for transportation fuels, production of plastic, and making electricity. Which of the following statements best describes an environmental concern with using offshore drilling to obtain oil?
A. Offshore drilling can increase biodiversity by changing the ecosystem.
B. Offshore drilling produces more greenhouse gasses than burning the oil itself
C. Offshore drilling requires a large amount of land use to obtain a small amount of oil
D. Offshore drilling can lead to contamination which threatens the organisms that live there
