Concentrations can be in fiction.Logical formLearned from5 sentences. Concentrations can be common.Logical formLearned from5 sentences. (Phosphate concentrations) can be inorganic.Logical formLearned from5 sentences. (Fluoride concentrations) can be in water.Logical formLearned from5 sentences. Concentrations may remain constant.Logical formLearned from5 sentences. Concentration of chemicals can be legal.Logical formLearned from5 sentences. Recipients may undergo concentration.Logical formLearned from5 sentences. Losses may undergo concentration.Logical formLearned from5 sentences. Monophosphate may undergo concentration.Logical formLearned from5 sentences. (Apartment blocks) may undergo concentration.Logical formLearned from5 sentences. A decrease can be in (oxygen concentration).Logical formLearned from5 sentences. Lake may undergo concentration.Logical formLearned from5 sentences. (Minority populations) may undergo concentrations.Logical formLearned from5 sentences. An increase can be in concentrations of (greenhouse gases).Logical formLearned from5 sentences. Areas can be with concentrations of poverty.Logical formLearned from5 sentences.