1. Answer the following questions. (i) What are the three layers of the earth? (ii) What is a rock? (iii) Name three types of rocks. (iv) How are extrusive and intrusive rocks form (v) What do you mean by a rock cycle? (vi) What are the uses of rocks? (vii) What are metamorphic rocks?
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Explanation:
1.The Earth is divided into three main layers. The dense, hot inner core (yellow), the molten outer core (orange), the mantle (red), and the thin crust (brown), which supports all life in the known universe. Earth's interior is generally divided into three major layers: the crust, the mantle, and the core.
2.A rock is a solid mass of geological materials.
3.There are three kinds of rock: igneous, sedimentary, and metamorphic.
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