12. Which of the following is a gas which always collects above the petroleum in an oil well?
a. Petroleum gas
b. Methane gas
c. Natural gas
d. Carbon di-oxide
Answers
Answered by
8
Answer:
natural gas...
make my answer as brainliest
Answered by
5
Answer:
natural gas
Explanation:
I hope it is correct mark me brainlist
Similar questions