Why Is Continental Crust Lower in Density Than Seafloor Crust

question 152

Multiple Choice

Why is continental crust lower in density than seafloor crust?

• A)Continental crust is made of rock, while seafloor crust has more metals.
• B)Continental crust is actually denser than seafloor crust.
• C)Continental crust is made from volcanic rock called basalt, which is lower in density than what the seafloor crust is made from.
• D)Seafloor crust is more compact due to the weight of the oceans, but it is made of the same material as the continental crust.
• E)Continental crust is made from remelted seafloor crust and therefore only the lower- density material rises to form it.

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