SSC MTS EXAM

Detailed explanation-1: -In simplest terms, water makes up about 71% of the Earth’s surface, while the other 29% consists of continents and islands.

Detailed explanation-2: -The ocean covers more than 70 percent of the surface of our planet.

Detailed explanation-3: -The oceans constitute 97.3% of all water sources on the Earth. Thus, the percentage of freshwater sources is only 2.7%. Of all the freshwater sources, only 2.9% of it is available to us in the form of freshwater lakes, rivers, and groundwater.

Detailed explanation-4: -70 percent of freshwater occurs as ice sheets and glaciers in Antarctica, Greenland and the mountainous regions of the world, while a little less than 30 percent is stored as groundwater in the world’s aquifers and only close to 1% as surface water in rivers, lakes, etc.