Question

2.Differentiate between intrusive igneous rock and extrusive
igneous rock​

Answer 1

Answer:

Extrusive Igneous Rocks- They are formed by cooling of molten magma on the earth's surface .The magma which is brought to the surface through fissures or volcanic eruptions soldifies to form rocks .

Intrusive Igneous Rocks - When the magma soldifies within the earth's crust it cools slowly forming hard rocks with large crystals e. g granite

hope it helps you

Answer 2

Answer:

Extrusive igneous rocks are formed by the cooling of molten magma on the earth's surface. Intrusive igneous rocks are formed when the magma solidifies within the earth's crust forming coarse texture.