Which Layer Of The Earth Has The Highest Density?

The innermost layer of the Earth, the core, has the highest density. The core is made up of iron and nickel and is about 7,000 kilometers (4,350 miles) in radius. It has a density of about 12 grams per cubic centimeter. The outer layers of the Earth are less dense because they are made up of lighter materials such as rocks and minerals.

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