The answer to this question would be Ronchi.
Ronchi is low-pitch sound from lungs that might be caused when there are liquid inside the alveolus. That is why the sound might be disappeared after the patient coughing as it can remove the liquid. Ronchi is common is pneumonia/lung infection patient.
Others lung sound with high-pitch would be called wheezing, which common in asthma.
It is a mode of asexual reproduction in single-celled eukaryotic micro organisms
It usually occurs in archaea bacteria, fungi , amoeba etc....
I say A they dont neither grow or lower. and if they do they go back to normal
A scientific theory is a theory that explains the scientist's observations, whereas a scientific law is a repeated pattern in the world that we have not sought an explanation for.