Which is the outer most layer of the Earth ?
Crust
Mantle
Core
Magma
Which among the following includes the ocean beds as well and it is thinnest beneath the oceans, sometimes even less than 8 km ?
Which among the following has an average thickness of about 60 km ?
The Earth is divided into how many different layers ?
Two
Three
Four
Five
Which part of the Earth consists of several land forms such as continents, mountains, plateaus and plains ?
Hydrosphere
Atmosphere
Lithosphere
Biosphere