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What is conserved in physical changes?
O shape
energy
O mass
O density
13


Sagot :

Final answer:

Mass is conserved in physical changes, while energy changes may occur but are usually smaller than in chemical changes.


Explanation:

In physical changes, mass is conserved. This means that the total mass, number of atoms, and number of molecules remain constant before and after the change. Energy changes may occur during physical changes but are typically smaller than those in chemical changes.


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