Find out from your grandparents or other elders …………
(a) how did they go to school?
(b) how did they get water for their daily needs when they were young ?
(c) what means of entertainment did they use ?
Compare the above answers with how you do these takes now.
Is there a difference? If yes, in which case more energy from external sources is consumed?

Explanation

Yes, today we consume much more energy. This is used for transport and day - to - day living.