Question

Q.7. Write short notes on: 1) Igneous Rocks​

Answer 1

Answer:

Igneous rocks are rocks formed from molten magma. The material is made liquid by the heat inside the Earth's mantle. ... Lava cools down to form rocks such as tuff and basalt. Intrusive rocks are made when the magma slowly cools to form rocks under the surface.

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Answer 2

Answer:

Igneous rocks

Explanation:

The rock that comes from melted rock material or magma , that lies beneath earth surface .

When magma crystallizes under earth surface, it produces intrusive igneous rock with large crystal. When lava crystallizes above earth surface, it produces extrusive igeous rock with crystals that are too small to see .

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