Question

IX Answer briefly
1. How are igneous rocks formed? 86
2. Describe about the composition of soil.
3. Define ‘rock.
4. State the types of soils.
5. What is soil conservation?
X Answer in a Paragraph​

Answer 1

Answer:

Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.