Which of these is a method of obtaining oil?
A. Tar sands extraction
B. Surface mining
C. Underground mining
D. Coal mining
3 answers
A. Tar sands extraction
The others are used to get solids like coal or diamonds.
That's correct. Tar sands extraction is a method used specifically to obtain oil from tar sands, while surface mining, underground mining, and coal mining are used to extract solids like coal, diamonds, and other minerals.