Write a note an solar cells.

A family has 3 three cars and can afford to buy fuel. They prefer to go out independently. Is it right to suggest car pooling for such people. Justify.

What are the solutions suggested for disposal of e-wastes for companies / Organizations?

Reena lives in a apartment. She would like to contribute to afforestation. What can she do?

All forms of energy got from different sources comes from the sun. Do you agree with this? Give reasons.