Which of the following correctly describes the greatest environmental risk of obtaining oil?

A. Drilling into underground oil reserves releases greenhouse gasses into the atmosphere and pollutes the air.

B. The pressure released when drilling into underground oil reserves can cause oil to explode out of the ground and spill into surrounding environments.

C. As a non-renewable resource, obtaining oil reduces the total supply of oil, which means that we will eventually run out of oil

D. The pressure released when drilling into underground oil reserves can cause earthquakes and sinkholes.