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Computer Science 8 Online
mya15:

Which of the following is a physical change? A. oil floating on water B. an iron bar rusting C. a copper skillet tarnishing D. the sublimation of dry ice

glizxzy:

b

mya15:

thx

mya15:

that was wrong

glizxzy:

oh snap i ment a

glizxzy:

oil floating on water

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