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Which types of changes observe the law of conservation of mass? A.only changes of state B.only physical changes C.only chemical changes D.physical changes and chemical changes
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Which types of changes observe the law of conservation of mass?

A.only changes of state
B.only physical changes
C.only chemical changes
D.physical changes and chemical changes

User Hthms
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1 Answer

1 vote

The correct answer is actually D

Explanation: i got it right on my district assignment! :)

User Okaerin
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