<prompt> Translate the following text to EnglishMfano wa REMSAD pia ulitumiwa kukadiria mabadiliko katika mwonekano unaohusiana na mabadiliko hayo katika mkusanyiko wa chembechembe na kukadiria mabadiliko katika kuweka sulfuri, nitrojeni, na zebaki.  <response>: The REMSAD model was also used to estimate changes in visibility associated with those changes in particulate matter concentrations and to estimate changes in deposition of sulfur, nitrogen, and mercury. 