Question

please give me all answer

Answer 1

convential-which will not exhaust for long
non convential- which will exhaust for long
bio gas-which are produced from solar energy,wind energy
natural gas-it is produced from organic wastes,cowdung etc.
ferrous-substance which contain iron in their element composition
non-ferrous-substance which does not contain iron in their element composition
metallic minerals-mineral which contains metal
nonmetallic minerals-mineral which does not contain metal