Carbon can be elemental.Logical formLearned from251 sentences. (Carbon dioxide) may undergo a buildup.Logical formLearned from233 sentences. (Carbon dioxide) can be (greenhouse gas).Logical formLearned from220 sentences. A form can be constituted-of-or-filled-with carbon.Logical formLearned from217 sentences. A (carbon dioxide) can be frozen.Logical formLearned from207 sentences. A (carbon dioxide) can be liquid.Logical formLearned from196 sentences. A (carbon dioxide) can be increased.Logical formLearned from187 sentences. A (carbon content) can be organic.Logical formLearned from185 sentences. -lots of life may have a (carbon fiber exaust).Logical formLearned from182 sentences. Some tonnes can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from179 sentences. Some percent can be constituted-of-or-filled-with (carbon dioxide emissions).Logical formLearned from169 sentences. (Carbon dioxide) may be blamed for global warming.Logical formLearned from163 sentences. (Carbon dioxide) may undergo a production.Logical formLearned from161 sentences. A (carbon footprint) may pertain-to a male.Logical formLearned from159 sentences. Cuts can be in (carbon emissions).Logical formLearned from157 sentences.