Answer to Question #122043 in Differential Geometry | Topology for jeremiah acheampong

Question #122043
The earth is not homogeneous body.It is a dynamic and differentiated body. explain
1
Expert's answer
2020-06-15T14:41:11-0400

First, let us discuss the structure of the Earth. According to the modern knowledge, the Earth consists of several layers, namely the lithosphere with the crust, the mantle comprised of several sublayers, and the outer and inner cores (see https://en.wikipedia.org/wiki/Structure_of_Earth ). The crust is thicker at the continents and the oceanic crust is thinner. So not all the layers are homogeneous. And we can say the Earth is differentiated due to presence of several layers.


Next, let us discuss the changes in the interiors of the Earth. We know that there exists a convection in the mantle, which expresses at the surface through the motions of tectonic plates, so neither the mantle nor the crust are static.

The dynamo theory suggests the convection in the core to be responsible for generating the magnetic field of the Earth.

Therefore, there are several manifestations of the dynamical processes in the body of the Earth.


We may also say that earthquakes sometimes change the parts of lithosphere, so the dynamical properties of the Earth may vary not very rare.


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