Question

2. How are extuasive and intarsive rocks formed?​

Answer 1

Answer:

Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet. ... If lava cools almost instantly, the rocks that form are glassy with no individual crystals, like obsidian

Answer 2

Answer:

extusive rock are formed by cooled down of magma outside the volcano. intarsive rock are formed by cool down of magma inside volcano