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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?
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5. A football field is about 100 meters long. If it takes a person 20 seconds to run its length, how...
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