Water pollution

Outline

1- Introduction.

2-The causes of water pollution:

         a- Using chemicals in irrigating and treating plants.

         b- Oil spill.

         c- Sewage and wastewater.

         d- Marine dumping.

        

3-The effects of water pollution:

.                     a- Damaging food chain

         b- Spreading diseases through water.

         c- Altering water temperature.

4-The treatment of the problem:       

         a- Using safe material to treat crops.

         b- Preventing factories and ships from dumping their waste in waters.

         c- Treating sewages.

         b- Ozone wastewater treatment.

      

  5-Conclusion.