All things in the world have are made of atoms and molecules, and many things are made up of different chemicals. Such as everyday solutions such as your hair spray or those cleaning solutions under the sink. These things and more can have different reactions to different conditions, one example is the Statue of Liberty, when it was first brought it was a copperiest color, but now due to the conditions and exposure to gases, (one example oxygen) has turned this once copper statue to a light green color. Many chemical changes occur every day, such as the boiling of water, or the baking of a cake.
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