27) the environmental contaminant that may reduce learning capacity in children is \n 〇 mercury\n 〇…

27) the environmental contaminant that may reduce learning capacity in children is \n 〇 mercury\n 〇 cadmium\n 〇 acrylamide\n 〇 lead\n\n28) the leading viral cause of foodborne illness in the u.s. is \n 〇 salmonella\n 〇 norovirus\n 〇 staphylococcus aureus\n 〇 e. coli

27) the environmental contaminant that may reduce learning capacity in children is \n 〇 mercury\n 〇 cadmium\n 〇 acrylamide\n 〇 lead\n\n28) the leading viral cause of foodborne illness in the u.s. is \n 〇 salmonella\n 〇 norovirus\n 〇 staphylococcus aureus\n 〇 e. coli

Answer

Brief Explanations:

For question 27, lead exposure in children can have significant impacts on cognitive development and reduce learning capacity. For question 28, norovirus is a highly contagious virus and is the leading viral cause of food - borne illness in the U.S. Salmonella, Staphylococcus aureus, and E. coli are bacteria, not viruses.

Answer:

  1. D. Lead
  2. B. Norovirus