A difference can be in concentrations.Logical formLearned from13 sentences. A relationship can be between concentrations.Logical formLearned from13 sentences. Concentrations can be in sediments.Logical formLearned from13 sentences. Contamination may undergo concentrations.Logical formLearned from13 sentences. A person may get concentration.Logical formLearned from13 sentences. (Ammonia concentrations) can be high.Logical formLearned from13 sentences. A degree can be with concentration.Logical formLearned from13 sentences. Waste may undergo concentration.Logical formLearned from13 sentences. Faculty may undergo concentration.Logical formLearned from13 sentences. A (salt concentration) may pertain-to water.Logical formLearned from13 sentences. (Military bases) may undergo concentration.Logical formLearned from13 sentences. Flavor may undergo concentration.Logical formLearned from13 sentences. A higher level can be constituted-of-or-filled-with concentration.Logical formLearned from13 sentences. Urine may undergo concentration.Logical formLearned from13 sentences. Alkaloids may undergo concentrations.Logical formLearned from13 sentences.