A (sediment concentration) can be high.Logical formLearned from5 sentences. (Hydrogen gas) may undergo concentration.Logical formLearned from5 sentences. Concentrations can be in an aquifer.Logical formLearned from5 sentences. (Metal concentrations) can be in soils.Logical formLearned from5 sentences. Deuterium may undergo concentrations.Logical formLearned from5 sentences. (Language speakers) may undergo concentration.Logical formLearned from5 sentences. A liberation can be from a (concentration camp).Logical formLearned from5 sentences. Nodes may undergo concentration.Logical formLearned from5 sentences. A rise can be in (greenhouse gas concentrations).Logical formLearned from5 sentences. Concentrations can be great.Logical formLearned from5 sentences. Concentration may be detected.Logical formLearned from5 sentences. Endangered species may undergo concentration.Logical formLearned from5 sentences. Concentration may pertain-to a child.Logical formLearned from5 sentences. Concentration can be in (dance education).Logical formLearned from5 sentences. Undergraduates can be in concentration.Logical formLearned from5 sentences.