The invisible gaseous medium around us, mainly constituted by oxygen and nitrogen is known as air. It is through this…
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The invisible gaseous medium around us, mainly constituted by oxygen and nitrogen is known as air. It is through this…
landfilling ln this, solid wastes are dumped into low lying areas. The refuge is dumped in layers of about 1.5…
When the rain water contains large quantities of acids like nitric acid and sulphuric acid formed by dissolution of oxides…