B. Laurasia in the north and Gondwana in the south.
A fault is formed when the rock making up a tectonic plate breaks and moves.
Answer:
A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of non marine origin is called a turbidite.
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Explanation:
Turbidity current is the movement of sediment laden water . It is caused by the high density nature of sediments . The current is prevalent in oceans and lakes and it one process that transport sediments from coastal areas to deep sea.
The sediments in the current makes the flow denser and very rapid. The rapid nature of the movement of this sediment laden water causes a kind of selective deposition in deep sea. The more coarse sediments are deposited before less coarse sediments. The sediments deposited fines upward. The coarsest sediments are found at the bottom and it fine upward.
Turbidites are sediments deposited by turbidity currents which gradually change from coarse grain to fine grain sediments. The continental rise is the boundary between continents and the deep part of the oceans. This area is usually laden with sediment deposited by turbidity current. The sediments laden water moves downhill.
Answer:
A river forms from water moving from a higher elevation to a lower elevation, all due to gravity. When rain falls on the land, it either seeps into the ground or becomes runoff, which flows downhill into rivers and lakes, on its journey towards the seas.
Middle America is an isthmus that connects North and South America.
Explanation:
Middle America, or more commonly referred to as Central America, is actually part of North America. It represents the southernmost part of the continent, but is often put as a separate region because of its shape which makes it distinct from the rest of the continent. In fact, it can be said that Middle America is an isthmus that is connecting the two large continental masses of North America and South America.
This region's northern boundary is still disputable, and it varies from author to author, though in general it is borders of Belize and Guatemala that are taken as the northernmost parts. On the south it is Colombia's border, on the east it is the Caribbean Sea, while on the west is the Pacific Ocean. As a region, because of the multiple tectonic plate boundaries, Middle America is geologically highly active, with volcanic and earthquake activities being relatively common.
The countries that comprise this region are:
- Guatemala
- Belize
- El Salvador
- Nicaragua
- Honduras
- Costa Rica
- Panama
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