What type of change, physical or chemical, takes place in each of the following a. Pie
Chapter 0, Problem 3.12(choose chapter or problem)
What type of change, physical or chemical, takes place in each of the following?
a. Pie dough is rolled into thin pieces for a crust.
b. A silver pin tarnishes in the air.
c. A tree is cut into boards at a saw mill.
d. Food is digested.
e. A chocolate bar melts.
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