Through gravitational compression, earth layers were formed by process called density stratification. this process describe the layer of water in a body of water with a layer of cold dense water at the bottom were the temperatures are above freezing point, A water layer float on top and when the water on the surface coll to about 4 degrees it sinks
The Arabian Desert, Gobi Desert
and the Karakum Desert
You are in the arctic region. The nordpole is also called Arctica
The thing that makes coastal plains unique is that they are flat, low-lying pieces of land next to the ocean.
