How are the pollutants classified . give one example of each type
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From an ecological perspective, pollutants can be classified as degradable, slowly degradable and non-degradable. The Degradable or called as non-persistent pollutants can be rapidly broken down by natural process.
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the substances that cause polution are called pollutants. they are of 4 types-
1. air pollutants eg- smoke
2. land pollutants eg- polythene
3. water pollutants eg- sewage
4. sound pollutants eg- loud speakers
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