If a rat dies near a steam pipe, the body wonât dry and the smell can be horrible for weeks. The odor from a dead mouse may last only a day or two. In fact, there may be no noticeable odor from a single dead mouse but several dead mice in the same area could smell for a few days.
Most popping or crackling sounds in an audio system come from a bad or dirty connections. Sometimes they do come from a faulty unit or component, but in most cases it is a connection issue.
Lung infection is a leading cause of crackling in the lungs. Bronchitis, for example, causes airway irritation and inflammation with increased mucus production that can cause lung crackles. Acute bronchitis is most often due to a viral infection, causing a wet cough that last for up to 4 weeks.