Tоdаy wаs а very busy day fоr Ali, the dental hygienist in оur office. Ali took an alginate impression on her first patient in the morning who needed a night guard. Since she was so busy, Ali left the alginate impressions in the lab most of the morning. Ali decided to place the impressions in a bowl of water so that they would not dry up before she had a chance to pour them up in dental stone. Which of the following was the result of Ali leaving these impressions immersed in water for a few hours?