Some (greenhouse gases) can be (carbon dioxide).Logical formLearned from12 sentences. (Carbon dioxide emissions) may pertain-to cars.Logical formLearned from12 sentences. Taxes can be on (carbon dioxide emissions).Logical formLearned from12 sentences. A (carbon pool) can be organic.Logical formLearned from12 sentences. Plants may convert (carbon dioxide).Logical formLearned from12 sentences. Molecules can be constituted-of-or-filled-with (carbon monoxide).Logical formLearned from12 sentences. Cent may pertain-to (carbon dioxide emissions).Logical formLearned from12 sentences. (Carbon stocks) can be terrestrial.Logical formLearned from12 sentences. (Carbon emissions) may undergo a regulation.Logical formLearned from12 sentences. A (carbon mineralization) can be anaerobic.Logical formLearned from12 sentences. Carbon may be stored in soils.Logical formLearned from12 sentences. A (nonattainment area) can be for (carbon monoxide).Logical formLearned from12 sentences. Carbon can be divided.Logical formLearned from12 sentences. Carbon can be to the atmosphere.Logical formLearned from12 sentences. (Carbon nanotubes) may undergo a development.Logical formLearned from12 sentences.