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Introduction Md.Arifuzzaman Assist. Teacher Haroa Shimulbari d.d Madrasah Jaldhaka,Nilphamari. Class:Nine Sub:English Unit Five:lesson-2 Time:45 mins Date:11.01.2015
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Polluted water Dust and polythene
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Pesticide Chemical material Urban areas Town areas Vehicles Bus,truck, car etc Words meaning
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kitchen Air is being polluted by industrial smoke,old vehichles,kitchen and smoking. Smoking
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Air pollution: When smoke,dust,chemical materials,exhaust mix with air is called air pollution. The way of reducing air pollution : Lessening use of motor vehicles Avoiding use of vehicles older than 20 years. Avoiding smoking Encouraging people to use CNG for motor cars etc.
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Indivisual work: Write three causes of air pollution.
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Industrial waste Water is being polluted by industrial water,waste and chemical materials. Chemical materialIndustrial water
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Water pollution: when dust,chemical materials,industrial poisonous water mix with fresh water is called water pollution.
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#what is air pollution? #What are the meanings of pollution,ocean,organic material etc. What is the causes of water pollution?
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Home work 1. Why do we should use natural fertilizer instead of chemical fertilizer? 2.You have to prepare a summary of 100 words on the pollution
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Thanks
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