Restrictions can be on (carbon dioxide).Logical formLearned from10 sentences. (Carbon dioxide emissions) may rise some percent.Logical formLearned from10 sentences. A (carbon dioxide) may be sequestered.Logical formLearned from10 sentences. (Carbon dioxide) may undergo an assimilation.Logical formLearned from10 sentences. A source can be constituted-of-or-filled-with atmospheric (carbon dioxide).Logical formLearned from10 sentences. Carbon can be by weight.Logical formLearned from10 sentences. A (carbon dioxide) can be in water.Logical formLearned from10 sentences. (Carbon dioxide) can be in air.Logical formLearned from10 sentences. Carbon may undergo a fixation.Logical formLearned from10 sentences. A (carbon sink) can be terrestrial.Logical formLearned from10 sentences. (Carbon copies) may pertain-to letters.Logical formLearned from10 sentences. Carbon can be used.Logical formLearned from10 sentences. A rise can be in (carbon dioxide levels).Logical formLearned from10 sentences. (Carbon tetrachloride) may undergo a use.Logical formLearned from10 sentences. (Carbon dioxide) may undergo exchanges.Logical formLearned from10 sentences.