1.

Exercises1. 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?2. Tick the correct answer.​

Answer»

ANSWER:

What are the THREE LAYERS of the EARTH?



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