Earth Interior

In earth we have three types of sphere's which are lithosphere, Hydrosphere, Atmosphere.
Lithosphere is the solid part of earth including crust and mantle. Earth has two kind of crust one is oceanic and continental crust. Earth crust are natural. Hydrosphere is the liquid part of the earth. The atmosphere is the gassy part of earth.

The center of earth has many layers. The inner core of the earth is solid and hot as the surface of the sun. The outer core is the boundary for inner core, which is liquid part of earth made out of iron. The mantle that is the root of volcano. The mantle is the melted rock that known as magma creates lava from underneath the crust. The crust is the broken tracks of earth. Earth has two kind of crust one is oceanic and other is continental crust. Earth crust are natural. Continental crust are crust that are on dry land. oceanic crust are under sea broken land. This elements of earth are important to study because this cause explosion, earth quakes eruption, mainly to know what condition or situation we are living on.