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Biology, 31.03.2021 20:40 ayeasley7777
1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical changes could produce precipitates.
B. Chemical changes produce new substances, but physical changes do not.
C. Physical changes use energy transferred as heat, but chemical changes do not.
D. Physical and chemical changes could require days for their effects to be noticeable.
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1. Which statement is NOT true about chemical and physical changes?
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