What is the name of bohr's model?

In each trial, you will add an indicator to the mystery food sample. but you will also add the indicator to a known substance and water. why is that important? check all reasons.to practice measuring volume using the graduated pipette correctly to match the mystery food sample to a definite positive result (gelatin, oil, etc.)to match the mystery food sample to a definite negative result (water)to increase the amount of data.b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are ! b and c are !