Which temperature and ph profile curves on the graphs were most likely generated from analysis of an enzyme from a human stomach where conditions are strongly acid?

Nonmetal halogen family atmoic mass 35

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?