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caldera
Granite
small hills
H2O; composed of 2 hydrogen and 1 oxygen
hydrogen
What kind of restaurant did Ryan Gosling open with friends in Beverly Hills?
soil
caldera
An element.
Granite
Mountains, hills and valleys.
hills
small hills
unknown
A substance that is composed of only one kind of matter is called an element. The smallest particle of an element is called an atom.
H2O; composed of 2 hydrogen and 1 oxygen
eukaryotic cells