Biology, 29.03.2021 19:30 sarah5557

A chemical change occurs when... A the identity of a substance changes but its appearance does not.

B neither the appearance of a substance nor its identity changes.

C both the physical properties of a substance and its identity change.
D
the appearance of a substance changes but its identity does not.

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A chemical change occurs when... A the identity of a substance changes but its appearance does not....

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