A. They have the greatest oil reserves
Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.
Answer:
place, distance, distribution, movement, region, spatial association, and sustainability.
Explanation:
The seven geographical concepts of place, space, environment, interconnection, sustainability, scale and change are the key to understanding the places that make up our world. These are different from the content-based concepts such as weather, climate, mega cities and landscapes.
The earth's crust is very important to human beings not only because they live in it but because of the socio-economic benefits it offers them. ... Some of these less dense rocks, such as granite, are common in the continental crust but rare to absent in the oceanic crust. Both the continental and oceanic crust mantle.
