We think of Earth as the “blue” planet. More than 70 percent of it is covered by water. But 97 percent of this water is in the oceans and 2 percent is locked in glaciers and ice caps, leaving ...

Bottled water was introduced in India in the 1970s, but even today most of the people in our country depend on 'bottled water'. So let us know the reason for the different colors of the lid.