The crust is about how many km on the continental masses ?
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At 25 to 70 km, continental crust is considerably thicker than oceanic crust, which has an average thickness of around 7–10 km. About 40% of Earth's surface area and about 70% of the volume of the Earth's crust is continental crust. Most continental crust is dry land above sea level.
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the crust is about 3 5 km on the continental masses and only 5 km on the ocean floors 0.0 (0 votes) Log in to add comment .
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