Q1. What are renewable resources? Ans. Resources which can replenish themselves by quick recyclin...

Q1. What are the harmful effects of ozone? Ans. Inhaling ozone causes dryness of mucous membrane...

Q1. Why does life not exist on Venus and Mars while it exists on Earth? Ans. The major component...

Q1. How has industrialisation led to an increase in air pollution? What steps should be taken to che...