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.
#3 Cause of crackling while you breathe: Bronchitis. Bronchitis is where the bronchial tubes in your lungs become irritated and inflamed. There are two types of bronchitis: acute or chronic. You can get acute bronchitis when you have an underlying infection causing it. This results in wheezing and often a crackling sound while breathing.