A sink can be constituted-of-or-filled-with impurity.Logical formLearned from3 sentences. Part may pertain-to a sink.Logical formLearned from3 sentences. A sink can be global.Logical formLearned from3 sentences. A sink can be for sequestration of (carbon dioxide emissions).Logical formLearned from3 sentences. A quantity may represent a (carbon sink).Logical formLearned from3 sentences. A sink can be for nitrogen.Logical formLearned from3 sentences. A (heat sink) can be during a (melt period) of a cycle.Logical formLearned from3 sentences. (Snow cover) may represent a (heat sink).Logical formLearned from3 sentences. Sinks may undergo a replacement.Logical formLearned from3 sentences. A (carbon sink) can be long-term.Logical formLearned from3 sentences. Sinks can be for washings.Logical formLearned from3 sentences. A (kitchen sink) may pertain-to a mom.Logical formLearned from3 sentences. A sink can be large.Logical formLearned from3 sentences. (Hotel sinks) can be clean.Logical formLearned from3 sentences. A person may need a (kitchen sink).Logical formLearned from3 sentences.