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.
The following medical conditions are some of the possible causes of Crackles. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Pulmonary edema. 2  Heart failure. 3  Pneumonia.