Answer:
7-10km, 35-40km
Explanation:
Oceanic and continental crust are both found on the upper mantle of the Earth. Oceanic crust is composed of several layers and it is thinner, denser, younger and contains different chemical composition than the continental crust. According to ScienceDaily, on the average oceanic crust has a thickness of about 7-10km while continental crust, a thicker crust, is about 35-40km in thickness.
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