Answer the following questions:
1.What are the three factors responsible for water scarcity?
2.Name the two activities that have caused a decrease in rainfall.
3.How does industrialisation affect the ground water level?
4.What is rain water harvesting?
5.How should the fields be irrigated to reduce the wastage of water?
6.Why should water be purified before drinking?
7.Why should we not allow water to stagnate around our house?
8.Why is traditional method of filteration not suitable for purifying water?
9.What is chlorination?
10.How does rain water become impure?
11.Name two human activities which cause water pollution.
12.How does agricultural waste harm the aquatic animals?
13.How does polluted water affect the crops?
14.State four methods of reducing water pollution.
1.What are the three factors responsible for water scarcity?
2.Name the two activities that have caused a decrease in rainfall.
3.How does industrialisation affect the ground water level?
4.What is rain water harvesting?
5.How should the fields be irrigated to reduce the wastage of water?
6.Why should water be purified before drinking?
7.Why should we not allow water to stagnate around our house?
8.Why is traditional method of filteration not suitable for purifying water?
9.What is chlorination?
10.How does rain water become impure?
11.Name two human activities which cause water pollution.
12.How does agricultural waste harm the aquatic animals?
13.How does polluted water affect the crops?
14.State four methods of reducing water pollution.
No comments:
Post a Comment