The name Bharat is derived from the legendary king Bharat who was ancestor of kauravas and pandavas, son of King Dushyanta and Shakuntala The name India is derived from the river Sindhu which flows in the north west of the country The Greeks used to call us Indoi meaning the people of the Indus
2. The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is