Flammable material such as material that is flammable
The answer for 15 is oxygen or carbon dioxide they are the same thing!
The answer for 16 is the formula of the compound and the atomic mas of its elements!
This is for if you take connections!
The color on the Statue of Liberty can change over time
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Unlike solid matter, where particles are tightly packed and slightly vibrating, or gas, where particles go around everywhere and are extremely loose, a liquid has particles that are loosely packed but are still in slight contact with each other. Hope that's good enough