the Earth?
As the name suggests, the Earth's layers are concentric layers that make the Earth
function. In short, it was nature's way of organizing the Earth's mass, balancing
heat, pressure, and materials, allowing for the existence of everything we know on
the surface. Without them, the Earth would be a dead planet like the moon.
( Concentric layers refer to layers
nested one inside the other. )
, Earth's crust
It is the thinnest layer of the
Earth, functioning as a shell for
the planet, with a thickness of 5 to
80 km.
Thick. It covers the mantle and is
rich in silicon and aluminum.
It is composed of solid rocks, such
(SGB-CPRM as granite in the continental crust
National Geographic and oceanic basalt.
American Museum of
Natural History (AMNH)