The hard materials of rocks are ___________.
Chalk
Granite
Clay
Marble
__________ rocks do not have remains of animals or plants.
Igneous rocks
Sedimentary rocks
Metamorphic rocks
Extrusive igneous rocks
Granite and basalt are the examples of ____________.
None of these
Types of Igneous rocks.
Two
Three
Four
Five
The study of minerals is called ___________.
Mineralogy
Virology
Palaeontology
Geology
____________ is also called NIFE.
Crust
Core
Magma
Lava
__________ has a radius of about 3500 km.
Mantle
The average radius of the core is about _________.
3500 km
2500 km
6500 km
4500 km
____________ rocks are formed by cooling and solidification of molten matter on the surface of the Earth or within the crust.
Igneous rocks are formed from ___________.