The solid portion of earth on which we live is called –
Lithosphere
Gaseous layers that surround the Earth is Atmosphere
Water covers a very big area of earth, which is hydrosphere
The zone we find land, water and air together – biosphere
Earth’s surface divided into two main category – Continents
and ocean basins
Seven continents – Asia, Europe, Africa, North America,
South America, Australia and Antarctica
Asia is largest continent
Through which tropic of cancer, the equator and tropic of
Capricorn pass - Africa
Maitri and Dakshin Gangotri are research center and situated
in – Antartica
Australia is smallest continent
Earth is called as blue planet
Only ocean to be named after country - Indian ocean
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