<prompt> Translate the following text to EnglishSulfati na nitrati zinazotokana na uzalishaji wa SO2 na NOx katika anga ni sababu kubwa ya kupungua kwa uwezo wa kuona katika mbuga nyingi za kitaifa na maeneo ya jangwa, pamoja na maeneo ya mijini kote nchini.  <response>: Sulfates and nitrates that form in the atmosphere from SO2 and NOx emissions are significant contributors to visibility impairment in many national parks and wilderness areas, as well as urban areas across the country. 