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Biology, 24.10.2020 23:00 krishawnnn

Which of the following is the best definition of a compound? A compound is composed of molecules which contain atoms of two or more
different elements in a fixed ratio.

A substance that cannot be broken down into other substances by chemical
processes

A compound is a solution containing a solvent and at least two kinds of solute
molecules

A compound is composed of molecules which contain a fixed number of atoms.

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