Why Is Earth's Continental Crust Lower in Density Than Seafloor

question 34

Multiple Choice

Why is Earth's continental crust lower in density than seafloor crust?

• A)Continental crust is made from a low-density volcanic rock called basalt.
• B)Continental crust comes from volcanoes while seafloor crust comes from geysers.
• C)Continental crust is made as the lowest-density seafloor crust melts and erupts to the surface near subduction zones.
• D)Continental crust comes from Earth's inner core while seafloor crust comes from the outer core.

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