What’s happens when a substance undergoes a physical change? Which one is it A. B. C. D

 A physical change is when a substance undergoes a process whereby its physical features change but its chemical features stay the same. A chemical change is when an object undergoes a process whereby its chemical composition changes. "A"

Explanation: hope this helps ! Can I have Brainliest?

the correct answer for this question is this one: - the types of locations that were chosen for internment camps is that conducive for training and safe from any immediate attacks.

- the government choose these locations because it is cheaper and way safer than any other locations.hope this answer your question and have a nice day ahead.

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the answer for 3 is b and the answer for 4 is d