Nations may feel endangered by (carbon emissions).Logical formLearned from10 sentences. A (carbon copy) may pertain-to a manuscript.Logical formLearned from10 sentences. (Carbon dioxide) may exacerbate conditions.Logical formLearned from10 sentences. A (carbon atom) may be bonded to a (water molecule).Logical formLearned from10 sentences. A backbone can be constituted-of-or-filled-with carbon.Logical formLearned from10 sentences. Carbon may be arranged in subunits.Logical formLearned from10 sentences. (Carbon dioxide) can be for instance.Logical formLearned from10 sentences. Carbon may undergo an increase.Logical formLearned from10 sentences. (Carbon models) can be global.Logical formLearned from10 sentences. Carbon can be to (nitrogen ratio).Logical formLearned from10 sentences. (Carbon dioxide emissions) can be from automobiles.Logical formLearned from10 sentences. Exposure can be to (carbon tetrachloride).Logical formLearned from10 sentences. Carbon can be in soil.Logical formLearned from10 sentences. (Carbon compounds) can be volatile.Logical formLearned from10 sentences. A cap can be on emissions of (carbon dioxide).Logical formLearned from10 sentences.