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QUESTION
Which of the followimg is an example of a physical change but not a chemical change?A. A 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 t
Which of the followimg is an example of a physical change but not a chemical change?
A. A 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.
