How do you compare the densities of the earth's crust mantle and core?
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The density of the Earth's crust is less than the density of the Earth's mantle.
Comparison of the densities of the Earth's interior
Crust : The thickness of the Earth's crust is 30 km. The density of the top is 2.2 g/cm³ and the bottom is 2.9 g/cm³.
Upper mantle: The upper mantle has a thickness of 720 km. The density of the upper mantle is 3.4 g/cm³.
Lower mantle: The thickness of the lower mantle is 2171 km. The density of the lower mantle is 4.4 g/cm³.
Outer Core: The density of the outer core is 9.9 g/cm³.
Inner Core: The density of the inner core is 12.8g/cm³
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