Answers

2016-03-07T22:02:56+05:30
-they are non-renewable
-they are major pollutants
-they are our major energy resources
-for future generations
-for a sustainable management of their uses

-regards
rate me
brainiest answer :P
2 5 2
2016-03-07T22:08:54+05:30
Because they non renewable resources and can be exhausted if not used judiciously
0