and crystallization processes that formed the Earth's crust and core during early planetary formation [Source:www.mars.nasa.go .3.1 Recall the TWO layers that the Earth's core can be divided into (2x 1) (2) .3.2 Identify and give the composition of the layer responsible for the Earth's gravity (1+2) (2) 3.3 Explain the relationship between the Earth's temperature and density from the crust towards the core. (2x2) (4
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