Thickness of Core is -------A6371 kmB2900 kmC1000 kmDNone of the aboveAnswer: A. 6371 km Read Explanation: COREThe inner layer of Earth Thickness of Core is 6371 km core have two parts . They are Outer Core and Inner Core Earth's core is 15% of Earth's volume.Core is divided into inner and outer layers. Inner core rotates faster than outer core.Outer core generates Earth's magnetic field. Core-mantle boundary controls heat transfer. Read more in App