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P S NAGALAKSHMI A RIVER’S TALE. RIVERS ORIGINATE FROM THE MOUNTAINS.

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Presentation on theme: "P S NAGALAKSHMI A RIVER’S TALE. RIVERS ORIGINATE FROM THE MOUNTAINS."— Presentation transcript:

1 P S NAGALAKSHMI A RIVER’S TALE

2 RIVERS ORIGINATE FROM THE MOUNTAINS

3 RIVERS ARE CLEAN AND PURE WHEN THEY ORIGINATE

4

5 WE WASH CLOTHS IN RIVERS

6 WE THROW GARBAGE INTO THE RIVER

7 WE IMMERSE IDOLS INTO THE RIVERS

8 INUSTRIAL WASTE IS PUMPED IN TO THE RIVER.

9 CHEMICALS POLLUTE THE RIVER

10 DIRTYING OF WATER BY HUMAN ACTIVITIES IS CALLED POLLUTION.

11 SUBSTANCES THAT DIRTIES THE WATER ARE CALLED POLLUTANTS. EXAMPLE: SOAP DETERGENTS CHEMICALS PLASTIC WASTE

12 FISHES

13 FISHES DIE, AS THE RIVERS ARE POLLUTED.

14 DUE TO POLLUTION COLOUR OF THE WATER CHANGES.

15 FACTORIES LET OUT WASTE IN TO THE RIVERS.

16 EVALUATION 1.Nowadays, do we drink river water directly? Why? 2. What do you mean by pollution? 3.Name the substances that pollutes the water? 4 What are the different ways in which water gets polluted? 5. How can you prevent water pollution?


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