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OpenStudy (anonymous):
A substance undergoes a change. Which of the following indicates that the change was a chemical change? The density of the substance changed. The substance changed state. The molecules of the substance changed. The substance changed shape.
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OpenStudy (anonymous):
can someone please help her please
OpenStudy (anonymous):
@kevindragonlord
OpenStudy (anonymous):
The molecules of the substance changed.
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