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Most tectonic plates have both oceanic and continental crust. how are they different? a. oceanic is thinner and less dense than continental. b. continental is thinner than more dense than oceanic. c. continental is thicker and less dense than oceanic. d. oceanic is thicker and more dense than continental.

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Clgel0415viz

Answer:

a. oceanic is thinner

Explanation:

Because continental crust is typically 40 km (25 miles) thick, while oceanic crust is much thinner, averaging about 6 km (4 miles) in thickness. ... The less-dense continental crust has greater buoyancy, causing it to float much higher in the mantle.