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Which is a characteristic of a physical change? (2 points) The chemical bonds in the substance are unchanged. The change cannot be seen. The molecules all move at the same speed. The substance has reacted
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Which is a characteristic of a physical change? (2 points) The chemical bonds in the substance are unchanged. The change cannot be seen. The molecules all move at the same speed. The substance has reacted with another substance.

User Tlwhitec
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The answer is the first option: "The chemical bonds in the substance are unchanged". Hope I helped! :)
User Dwayne Driskill
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