1. Differential rate of cooling of earth led to separation of layers. Lighter material came up and heavier sank down.
2. During the formation of moon,due to the giant impact, the earth was further heated up. It is through the process of differentiation that the earth forming material got separated into different layers.
2. During the formation of moon,due to the giant impact, the earth was further heated up. It is through the process of differentiation that the earth forming material got separated into different layers.
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