(Carbon dioxide concentrations) can be in the atmosphere.Logical formLearned from48 sentences. A (carbon footprint) may pertain-to a company.Logical formLearned from48 sentences. A (carbon footprint) can be personal.Logical formLearned from48 sentences. (Carbon concentrations) can be organic.Logical formLearned from48 sentences. Carbon may undergo a loss.Logical formLearned from48 sentences. Cuts can be in emissions of (carbon dioxide).Logical formLearned from47 sentences. (Carbon dioxide levels) can be increased.Logical formLearned from47 sentences. (Carbon dioxide) can be in blood.Logical formLearned from47 sentences. (Carbon emissions) may pertain-to a country.Logical formLearned from47 sentences. Cuts can be in (carbon dioxide).Logical formLearned from47 sentences. (Carbon compounds) can be organic.Logical formLearned from46 sentences. Symptoms can be constituted-of-or-filled-with (carbon monoxide poisoning).Logical formLearned from46 sentences. Carbon may date.Logical formLearned from46 sentences. Carbon can be fossil.Logical formLearned from46 sentences. Some forms can be constituted-of-or-filled-with carbon.Logical formLearned from46 sentences.