Select the Statement That Correctly Characterizes Enhanced Oil Recovery

Multiple Choice

Select the statement that correctly characterizes enhanced oil recovery.

A) Water is pumped at high pressure into a well to fracture rock and release oil.
B) Steam and direct heat are applied to separate oil from loose-grained rock in tar sands.
C) Offshore drilling sites allow water to naturally enter the well and displace oil upward.
D) Condensed CO₂ is pumped underground as a way to force more oil out of wells.