<span>Sinkholes, especially like the one that occurred in Mexico City, are often sign that the water reservoir is being depleted. Usually, the water underneath the ground helps stabilize it, however if there is suddenly open space or a cavern, it can collapse on its self causing a sink hole. This could also happen from fracking and drilling.</span>
The mantle, an area 670 to 2900 kilometers below the Earth's surface, is under the most pressure because it has the highest temperature and biggest pressures
The kingdom of Alger England
The geography of places is influenced by the degree to which humans have impacted their local environment. Movement: Humans Interacting on the Earth. ... This movement is inherently geographic, whether it is by telecommunications or ship. Regions: How They Form and Change. The essential geographic feature is the region.
