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Computer Science 6 Online
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.

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

glizxzy:

yeah if you need help i got you i just read it wrong

mya15:

ok thx

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