-This Figure Shows the Results of Inspections of Gas Drilling

Multiple Choice

-This figure shows the results of inspections of gas drilling sites in Pennsylvania. Which of the following conclusions can be drawn from the data shown?

A) Most inspected wells do not have integrity issues.
B) The number of wells with integrity issues peaked in 2008.
C) Environmentalists and inspectors have underestimated the number of wells that have integrity issues.
D) The more wells being inspected, the more likely the wells are to have integrity issues.
E) The number of wells inspected peaked in 2010.