Question

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 formed?

(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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Answer 1

Explanation:

1. rock is any natural occurring solid mass or aggregate of minerals or mineraloil matter.
2. Three Types of rocks are igneous rocks , sedimentary rock and Metamorphic rock
3. three layers of rocks and stratton stratigraphic and glacial
4. instructive Rock also called plutonic Rock igneous rocks formed from Magma force into older rocks at death within the earth's crust which then slowly solidfiles below the Earth's surface. extract save rocks are formed on the surface of the earth from Lava which is Magma that has emerged from underground .
5. Rock cycle in Geology that describes transition through your logic time among the three main types of rocks sedimentary rocks Metamorphic rock and igneous rock each Rock type is altered when it is force out of equilibrium conditions
6. cement , chalk ,,building material,,,,bath scrub ,,,kerb stone

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