Which of these changes involve forming or breaking chemical bonds?
2 answers:
B burning and digesting. Is your answer. During burning and digesting old bonds breaks and new bonds are formed and thus new products are made
It would be burning and digesting.
Melting is just causing a status change, solid to liquid.
Cutting is just changing the shape of something.
Rusting doesn't change the actual substance.
Boiling changes the state as well.
It's only burning and digesting.
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