During a volcanic eruption, molten rock can escape and travel slowly across the surface of Earth until it eventually cools down and solidifies. What is the name of this molten rock?
When the outermost layer of the mantle cools and solidifies, it is known as the crust. The crust is comprised of the continents and holds all of the world’s water. What is all of the water found on, under, and above the surface of a planet known as?
In what layer of the atmosphere would you expect to find the ozone layer?