Enzymes may undergo concentration.Logical formLearned from21 sentences. Life can be in (concentration camps).Logical formLearned from21 sentences. Concentration can be on a country.Logical formLearned from21 sentences. Phosphorus may undergo concentration.Logical formLearned from21 sentences. Changes can be in concentration.Logical formLearned from21 sentences. Solutions may undergo concentrations.Logical formLearned from21 sentences. (Metal concentrations) can be high.Logical formLearned from21 sentences. Concentrations can be in some areas.Logical formLearned from21 sentences. A (blood alcohol concentration) can be constituted-of-or-filled-with some percent.Logical formLearned from21 sentences. Thousands may deport to (concentration camps).Logical formLearned from21 sentences. A place may undergo concentration.Logical formLearned from21 sentences. Military installations may undergo concentration.Logical formLearned from21 sentences. Victims may pertain-to a (concentration camp).Logical formLearned from21 sentences. A visit can be to a (concentration camp).Logical formLearned from21 sentences. Mammals may undergo concentration.Logical formLearned from21 sentences.