Question

How is the alternate sources of energy is usefulI to us?​

Answer 1

Explanation:

What are the alternative source/s of energy?

The present store of Coal and Petroleum will be completely exhausted within a few years.

The alternative sources may be Atom derived energy or the energy from natural resources like air, water, Sunlight etc.

Some of them are already in use at very limited scale.

Some are having bi products with severe effects on environment.

Answer 2

Answer:

because it provides energy in form of light that helps the plant to make food and it is almost all the energies

of the world that humans are also using .for example

Solar panels