_____ is (are)an example(s)of "unconventional oil."
A)Alaskan crude oil
B)Recovering sunken ship engines
C)Texas desert wells
D)Tar sands and oil shales
E)Natural gas sources

Question

Quizplus · Accepted Answer

Tar sands and oil shales are examples of unconventional oil sources because they require more intensive extraction processes compared to conventional crude oil sources. Alaskan crude oil and Texas desert wells are examples of conventional oil sources. Recovering sunken ship engines and natural gas sources are not examples of oil sources.

_____ Is (Are)an Example(s)of "Unconventional Oil