The core of Earth occupies what fraction of its radius?

Name: The core of Earth occupies what fraction of its radius?
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The core of Earth extends from the inner core (radius of approximately 1,220 km) to the outer core (radius of approximately 3,400 km), which gives it a total radius of about 2,180 km. Since the Earth's overall radius is about 6,371 km, the core occupies roughly half of its radius.

The Core of Earth Occupies What Fraction of Its Radius