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Chemistry, 31.10.2020 02:50 fluffykitty21

Which of the following is an example of a physical change, but not a chemical change?
a
a water pipe freezes and cracks on a cold night
b
a tree stores energy from the Sun in its fruit
a log gives off light and heat as it burns
d
a penny left outside slowly turns green

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Which of the following is an example of a physical change, but not a chemical change?
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