Question

why is there a need to harness non conventional source of energy give two main reasons

Answer 1

1.the present source of energy are limited and would exhaust soon
2. present sources of energy like coal and petroleums aren't eco-friendly!

hope this will help you :)

Answer 2

1. Conventional sources of Energy resources are limited. So we need to harness them.
2. Population is increasing rapidly . So to meet their demands we need to harness conventional sources of energy.