Question
Making stars by cutting it out from a sheet of paper is a reversible change.
Answer: Option B
:
B
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:
B
Making stars by cutting it out from a paper isn't a reversible change because once you cut out a star you can't join it back to make the same paper. Since we started making the stars out of a plane big sheet of paper and ended up with the stars, we cannot join the star back to get the complete sheet of paper back.
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