More rarely, Ocean trenches can be formed when two plates carrying oceanic crust meet.The Mariana Trench,in the South Pacific Ocean,is formed as the mighty Pacific plate subducts beneath the smaller ,less dense Philippine plate.
Answer: In terms of oil reserves, the Middle East is second to none. This “oil miracle” of the world has been shaped by a set of favorable factors, some global and others local, inscribed in the geologic history of the region.
This type of erosion is primarily by movement of particles that make<span> up the bed load. </span>Stream Deposition<span>. A </span>stream<span> is at its base level where </span>it<span> meets a large body of water. As a </span>stream gets<span> closer </span>to<span> the base level, its gradient lowers. </span>
