Use the drop-down menus to select the best answers.A is the smallest unit of a substance that is composed of two or more atoms chemically joined together.
are substances that can’t be simplified further.
are the smallest units of any living thing.
are substances that can’t be simplified further.
Use the drop-down menus to select the best answers. is the power to function, do work, and produce change.
is any physical substance.
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