What is the place called where vast amounts of oil is trapped?
Reservoirs
Tar Pits
Natural Gas Pockets
Oiling Fields
The gas which occurs above the petroleum oil trapped under the rocks is called :
(a) biogas
(b) petroleum gas
(c) natural gas
(d) coal gas
Where is natural gas found ? Why is natural gas called a clean fuel ?
Name any two places in India where natural gas is found.
The vast collection of billions of stars, along with a vast amount of gas and dust in space is called a _______.