In order to add a salad bar to a school lunch menu for students with restricted diets, new materials or such as a refrigerator or a bar, would be needed

Machines like a fridge or a bar would be required to suffice the restricted diet needs of students who want to have salad.

answer; ///question(1) // representation; /

answer; ///question(2); ///(b) election

good luck

answer; the correct answer to the above statement is (biosphere); ///