Water harvesting is an age-old concept in India | Grade 10

They are called as: Khadins, tanks and nadis in Rajasthan, Bandharas and tals in Maharashtra, Bundhis in Madhya Pradesh and…

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Sources of Soil Pollution | Class IX

Soil pollution mainly results trom the following sources: (i) Industrial wastes: wastes discharged from pulp and paper mills, chemical industries,…

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