A (radio propagation) can be degraded.Logical formLearned from2 sentences. Students may feel degraded.Logical formLearned from2 sentences. Potential can be degraded.Logical formLearned from2 sentences. A (customer service) can be degraded.Logical formLearned from2 sentences. (Metal compounds) can be degraded to (base metals).Logical formLearned from2 sentences. A perception can be degraded.Logical formLearned from2 sentences. Persons may feel degraded.Logical formLearned from2 sentences. A physical appearance can be degraded.Logical formLearned from2 sentences. Good persons can be degraded.Logical formLearned from2 sentences. An understanding can be degraded to a level of a soul.Logical formLearned from2 sentences. Souls of some rank of men can be degraded.Logical formLearned from2 sentences. Acetylcholine can be degraded by an acetylcholinesterase.Logical formLearned from2 sentences. A channel of a number of segments can be degraded.Logical formLearned from2 sentences. (Wetland systems) can be degraded.Logical formLearned from2 sentences. The natural world can be degraded.Logical formLearned from2 sentences.