___________ help us in the study of the Earth.
Soil
Rocks
Core
None of these
The layer just below the Earth's crust is called the ____________.
Magma
Mantle
Lava
When magma oozes out on the surface is called ___________.
Rock
The ____________ is the third largest ocean in the world.
Indian Ocean
Pacific Ocean
Arctic Ocean
Atlantic Ocean
The denser layer underneath the SIAL layer is called ___________.
SIMA
The ___________ is the smallest of all the oceans.
____________ of rocks is a very slow process.
Weathering
The ___________ separates Europe and Africa from North and South America.
____________ is the outer most layer of the Earth.
Crust
The organisms in the biosphere are broadly divided into ___________.
Two
Three
Four
Five
