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mya15:
When a substance undergoes a physical change, A. its mass always decreases. B. its composition always changes. C. its color always changes. D. its composition remains the same.
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glizxzy:
When matter undergoes a chemical change, the composition of the matter changes. When matter undergoes a physical change, composition of the matter remains the same.
glizxzy:
last one i ment to say a
glizxzy:
im sorry
mya15:
ok thx
mya15:
it was right thx
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glizxzy:
yeah if you need help i got you i just read it wrong
mya15:
ok thx
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