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Biology, 02.10.2020 14:01 ella3714

Guys this is really urgent A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shine shines brightly. Do you think the changes, which have occurred in the cement , could be reversed? this is not biology it is science

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Guys this is really urgent A bag of cement lying in the open gets wet due to rain during the night....
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