Sources of Ener...

In thermal power plants, turbines are run by:

Two statements are given :

1. Energy can neither be created nor be destroyed. It can only be converted from one form to another form.
2. Energy is consumed while doing work by a source of energy and can't be used again.

Which among the following is not a renewable source of energy?

Acid rain happens because

Those sources of energy which have been accumulated in nature over a long time is known as ________________.

Energy sources are of two types -

Ram uses bicycle to travel and Shyam uses bike to travel.
Who among them uses energy wisely? Explain.

Pie-chart shows the major sources of energy for our requirements in India. Which among the following has least contribution?

In order to fulfill our energy requirements, we try to:

In ancient times, _____________ was the most common source of heat energy.