Application of heat to some substances causes chemical changes, or chemical reactions, in which one or more new substances are formed, with different properties from the original. ... When two or more elements combine in a chemical change, they form a compound.
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Answer:
Application of heat to some substances causes chemical changes, or chemical reactions, in which one or more new substances are formed, with different properties from the original. ... When two or more elements combine in a chemical change, they form a compound.
Explanation:
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