(Carbon dioxide levels) can be in the atmosphere.Logical formLearned from10 sentences. Gases may include (carbon dioxide).Logical formLearned from10 sentences. Cylinders can be constituted-of-or-filled-with (carbon atoms).Logical formLearned from10 sentences. Metric ton can be constituted-of-or-filled-with carbon.Logical formLearned from10 sentences. A (carbon monoxide) can be expired.Logical formLearned from10 sentences. (Carbon dioxide) can be as a (greenhouse gas).Logical formLearned from10 sentences. A (carbon dioxide) can be polar.Logical formLearned from10 sentences. A (carbon dioxide) can be ambient.Logical formLearned from10 sentences. Carbon may undergo a fate.Logical formLearned from10 sentences. Levels can be constituted-of-or-filled-with (carbon tetrachloride).Logical formLearned from10 sentences. Carbon may be used.Logical formLearned from10 sentences. Rates can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from10 sentences. Carbon may be removed.Logical formLearned from10 sentences. Carbon may be stored in trees.Logical formLearned from10 sentences. (Carbon dioxide emissions) can be projected.Logical formLearned from10 sentences.