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I put a plastic bottle full of water in the refrigerator and took it out after it had frozen.. i was wondering why it had compressed by that time. It even compresses after a little while even before freezing to ice. WHAT CAUSES IT TO COMPRESS rather expand.?? [MOD EDIT - TITLE ALTERED TO RE-FORMAT AS A QUESTION.]
the question remains unanswered ..WHY DOES THE BOTTLE CONTRACT?? even when it has no water in it?