Sediment Colour Tool Current Affairs, GK & News

The Arsenic Hit Ganga Belt

Over thousands of years, arsenic has been washing down from the Himalayas with the Ganga water as sediment. In the plains, this arsenic has been leaching into the ground. It remained within permissible limits and did no harm till around the 1970s when, concerned over deaths in the Gangetic belt caused mainly by the unhygienic ..