Tonnes can be constituted-of-or-filled-with carbon.Logical formLearned from29 sentences. A source can be constituted-of-or-filled-with (carbon dioxide emissions).Logical formLearned from29 sentences. A global (carbon cycle) may undergo an understanding.Logical formLearned from29 sentences. Carbon may undergo a transfer.Logical formLearned from29 sentences. (Carbon dioxide) may undergo an addition.Logical formLearned from29 sentences. A (carbon dioxide) can be in air.Logical formLearned from29 sentences. A (carbon auction) may pertain-to a nation.Logical formLearned from29 sentences. A (carbon foot print) may pertain-to a person.Logical formLearned from29 sentences. (Power plant emissions) can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from29 sentences. Carbon may be used.Logical formLearned from29 sentences. (Carbon dioxide) can be from a burning of fossil fuels.Logical formLearned from29 sentences. (Carbon nanotubes) can be aligned.Logical formLearned from29 sentences. Carbon may undergo an addition.Logical formLearned from29 sentences. An intensity may pertain-to (carbon emissions).Logical formLearned from29 sentences. A chain can be constituted-of-or-filled-with (carbon atoms).Logical formLearned from28 sentences.