It is important to understand the differences between chemical and physical
changes. chemical changes result in new substances, but physical changes do
not. which process is an example of a physical change?

A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.

Explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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it's not c. i took the quiz and got it wrong. so my best guess is b.

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