Match the following 1 Extrusive igneous rock ndash Basalt 2 Intrusive igneous rock ndash Fossi...........

Geography NCERT

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Match the following

1.Extrusive igneous rock – Basalt

2.Intrusive igneous rock – Fossils

3.Sedimentary rock - Granite

Choose the correct match using the codes given below

1 only

2 and 3 only

1 and 3 only

1, 2 and 3 only

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Explanation:

· When molten lava comes on the earth’s surface, it rapidly cools down and becomes solid. Rocks formed in such a way on the crust are called extrusive igneous rock. They have very fine grained structure. For example Basalt.
· Solid rocks formed inside the earth crust are called intrusive igneous rocks eg:- Granite.
· Sedimentary rocks are made of sediments compressed and hardened to form layers of rock. Eg:- Fossils of plants, animals.