A ph can be in a us-state.Logical formLearned from2 sentences. Ph can be an acid.Logical formLearned from2 sentences. (Testing ph papers) may use under a person.Logical formLearned from2 sentences. A (droplet protein/precipitant solution) can be at a ph.Logical formLearned from2 sentences. Soil can be for ph.Logical formLearned from2 sentences. A (soil ph) may need correction.Logical formLearned from2 sentences. A ph may pertain-to a mulch.Logical formLearned from2 sentences. Some plants may grow over a range of (soil ph).Logical formLearned from2 sentences. Others may grow within a range of ph.Logical formLearned from2 sentences. Reference can be to ph.Logical formLearned from2 sentences. A soil may be tested for ph.Logical formLearned from2 sentences. A ph may pertain-to a paste.Logical formLearned from2 sentences. A ph may drop to levels.Logical formLearned from2 sentences. A ph can be in a lake.Logical formLearned from2 sentences. Phs may be recommended.Logical formLearned from2 sentences.