Q33. Describe the threat to the beauty of the Taj Mahal.
Q34. What are the different ways in which water gets contaminated?
Q35. At an individual level, how can you help reduce air pollution?
Q36. How water can be made safe for drinking?
Q37. How can we prevent wastage of water? (Any 4 points)
Q38. What are the harmful effects of global warming?
Q39. Explain circumstances leading to acid rain. How does acid rain affect us?
What is acid rain? How is acid rain caused? What are the harmful effects of acid rain?
Q40. You are a member of the municipal body of your town.
Make a list of measures that would help your town to ensure the supply of clean water to all its residents.