EARTH+jackson

__ EARTH __

The earth is made of four different parts. Crust,Mantle, Inner Core and the Outer Core. The reason why theres two cores is because the outer core is made of liquid, that is why we have oceans. some other planets like mercury and mars dont even have water on there surface, well, mars hasn't had a drop of rain in millions of years( scientists say). Earth is the only planet that we know, sustains life it has oceans land and oxegen.