asked 4.9k views
3 votes
Currently, most of the oil produced in the United States is produced by this method. A) drilling B) open pit mining C) heap-leach mining D) sub-surface mining

asked
User Micmoo
by
8.6k points

2 Answers

2 votes

Answer:

drilling

Step-by-step explanation:

answered
User Brian Grinstead
by
8.3k points
0 votes
Drilling. Hope I helped.
answered
User Garnett
by
7.8k points
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