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Industries are responsible for four types of pollution – air, water, land, and noise pollution. Following are the various reasons:
→ Air pollution is caused by the presence of high proportion of undesirable gases, such as sulphur dioxide and carbon monoxide.
→ Water pollution is caused by organic and inorganic industrial wastes and effluents discharged into rivers.
→ Thermal pollution of water occurs when hot water from factories and thermal plants are drained into rivers and ponds before cooling.
→ Wastes from nuclear plants cause cancer, birth defects and miscarriages.
→ Dumping of wastes especially, glass, harmful chemicals, industrial effluents, packaging, salts and other garbage render the soil useless.
→ Noise pollution is caused due to industrial and construction activities, factory equipment, generators, electric saws, drills and other machineries. 

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By waste realising in water bodies,andnby realising harmful gases in the atmosphere.Some industrial machinery makes lots of noise,disturbing other and causing noise pollution.
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