Physics, 15.12.2019 14:31, mv603177

Which of the following is an example of a physical change but not a chemical change?
a) the log gives off heat and light as it burns
b) a tree stores energy from the sun in its fruit
c) a penny lost in the grass slowly changes color
d) a water pipe freezes and cracks on a cold night

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