Question

1)what do wind energy,hydro-electric power and solar energy have in common?
2)how can we reduce the production of greenhouse gases?

Answer 1

The three of them convert natural resource into man made resource.

Answer 2

Hi friend, Here is the required answer:-

1). All are renewable sources of energy.

2) We can reduce the production of greenhouse gases by planting more and more trees.

Hope this help you..