Water Crisis

Q. What led to Chennai's water crisis 2019?

1. Very less houses had rainwater harvesting module
   
2. Overpopulation
   
3. Many people intentionally wasted water by not closing taps after use
   
4. Water pollution
   

Q. The picture explains _______ harvesting.

1. 
2. 
3. 
4. 

Q. What is the cause of the decline of freshwater around us?

1. Water pollution by throwing garbage in rivers and lakes
2. Over fishing in oceans
3. Overpopulation
4. Cutting of trees