All About Petroleum And Natural Gas

Petroleum is a

The LPG Panchayat, organized by the Ministry of Petroleum and Natural Gas under the Pradhan Mantri Ujjawala Yojana was hosted by _____

Coal, Petroleum and Natural Gas are

Dead organisms are transformed into petroleum and natural gas in:

How long are the energy resources of the earth like coal, petroleum and natural gas expected to last ?

Useful substances obtained from petroleum and natural gases are called: