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netineya [11]
1 year ago
13

What are the similarities and differences between oceanic crust continental crust?.

Social Studies
1 answer:
luda_lava [24]1 year ago
5 0

The thickness of the continental crust is normally 40 km (25 miles), whereas the thickness of the oceanic crust is only 6 km (4 miles). The difference in the average heights of the continental and oceanic crust is a result of the varying densities of the lithospheric rock.

Because of its greater buoyancy and lower density, the continental crust floats significantly higher in the mantle. The average depth of the marine crust is 3,790 meters, while its average height above sea level is 840 meters (2,750 feet) (12,400 feet). The two main layers of the Earth's surface are created by this density differential.

Subduction zones are where the majority of continental crust is created. Rock scraped off the top of oceanic plates when they subduct beneath continental boundaries contributes to lateral expansion (the submarine edge of the continental crust). These boundaries are identified by lines of volcanoes, frequently in the form of volcanic arcs that add to the crust. Additionally, volcanic arcs known as island arcs are produced by subduction zones found inside ocean basins (when one oceanic plate sinks beneath another).

To learn more about oceanic crust and continental crust from given link

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It legally forced them out of power and ended apartheid.

Explanation:

The main effect did the election of Nelson Mandela have on the Afrikaners was the end of apartheid legally from the country. Apartheid was a political and social system present in South Africa when  National Party gained power in South Africa in 1948 and there was a White minority rule. It allowed racial discrimination against non-Whites. This system ended when the Nelson Mandela comes into power by winning election in 1990.

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1 year ago
After the Roanoke incident, plans to launch another colony in Virginia started in 1606 when _____.
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Make sure to use Training Needs Assessments to discover the abilities that your employees need to grow in order to fulfil their potential. This will help you provide them with the training they require to perform their jobs well.

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What was one problem that early French settlements faced
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<span>Louisiana failed to attract many people.

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