Which of these statements best describes how mining of minerals helps solve societal problems? A) By reducing pollution in air.
B) By removing contaminants from the soil.
C) By improving the condition of groundwater.
D) By providing jobs to the unemployed people

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?