<span>water vapor molecules clump together faster than they are torn apart from their thermal energy</span>
Answer:
Granite
Explanation:
Obsidian is an extrusive rock, as it is formed on the surface of the Earth from lava, which is magma that has emerged from underground. However, granite is intrusive since it is formed from magma that cools and solidifies within the crust of the planet.
It helps with the worlds water supply.
