Oceanic crust has been forming on Earth for over 4 billion years, all of the sea floor older than <span>about 200 million years. </span>
Answer:
A metamorphic rock can be classifies according to its texture and compositions.
Explanation:
Its in the southwestern side of Washington state
Answer:
When two or more atoms link up, they create a molecule . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The molecular mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.
Explanation:
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