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3.What is crust? |
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Answer» Ingeology, thecrustis the outermost solid shell of arockyplanet,dwarf planet, ornatural satellite. It is usually distinguished from the underlyingmantleby its chemical makeup; however, in the case of icy satellites, it may be distinguished based on its phase (solid crust vs. liquid mantle). The outer most layer of earth.It contains the rock and solid part of the earth.It is upto 5 to 7 km into the ground.It is divided into two types on the basis of type of minerals it contains.They are :- sima sialsima: it is the part of crust which contains silicon and magnesium.it is the Oceanic crust.It is thinner than the sial. sial:It is the part of crust which contains silicon and aluminiumIt is the hard part of crust.It is more deeper. |
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