A climate like a desert because, there is less water and it is too hot to live in.
<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>
a divergent tectonic plate or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world.
<span>They are located in South America and stretch 4,500 miles from north to south, along the west coast of the continent.</span>