alleryStart learning →The inner core's radius is about one-fifth of Earth's. If Earth's radius is 6,000 km, the inner core radius is about?
A600 km
B900 km
C2,400 km
D1,200 km
Answer & Solution
Correct answer: D. 1,200 km
One-fifth of 6,000 km is 1,200 km.
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