Pollution causes risk to environmental quality, human health, etc. In respect to this list, what are
the causes of pollution ?
Following are the sources/causes of environmental pollution
(i) Emission of harmful gases by motor vehicles.
(ii) Emission of chemicals by plants and factories.
(iii) Usage of petrochemicals in plants.
(iv) Usage of pesticides and insecticides while farming.
(v) Dumping of toxic wastes in rivers, streams, etc.