Rima was unable to open this can as the lid was too tight. When she heated the lid for some time, she could open it easily. Why do you think this happened? 2
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Answer:
when she tried to open at first the air inside the tin was cold and was moving towards downwards but when heated the year we came hot and started moving upwards which made Rima open it easily
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because when we heat something they were esily open
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