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.
.
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:
B
Explanation:
the continental divide is a ridge of high ground that runs irregularly north to south through the rockey mountain and separate eastward flowing from westward flowing streams
Answer:
A prime meridian is a meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian
Population change
Explanation:
The change in the number of people living in a city, county, state, province or nation is generally referred to as population change.
Population change is positive when there is an increase in population;
Population change is negative when there is a decrease in population.
- Population is dynamic and it changes over a length of time.
- Migration is one of the leading cause of population changes.
- When people move away from an area, it is called emigration. It is a negative population change
- When people moves to an area, it is positive population change called immigration.
- Other cause of population changes are war, vices, economy, employment opportunities, education etc.
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