Question 8.
What is meant by green energy? Which energy sources can be called as green energy sources and why? Give examples.
Answer:
i. Electricity made from renewable sources of energy is called green energy.
ii. Green energy is environmental friendly as it does not contribute to depletion of environment.
iii. Green energy can be obtained from sources like wind, tides, sunlight etc. these are called green energy sources.
iv. These are called so, because they are ecofriendly sources of energy which do not cause pollution.
v. Energy sources used are renewable and inexhaustible, which means that they are naturally replenished in nature over a period of time.
