Question

in search of earth's interior class8th

Answer 1

there are three parts of earth.they are the crust,mantle and core. the core is divided in two parts .the outer core and the inner core.the crush is the outermost layer which has two layers sial and sima.sial contains silica and aluminium and sima contains silica and magnesium.the average distance of crust is 30km.the next is mantle.it has karma chambers in which melted rocks are there.when this magma comes on the surface of earth it is called lava.the outer core is liquid and the inner is in solid.