It can weaken the resistance of gum and bone tissue to infection; bacteria. Many kinds of bacteria, or gums, thrive on sugars, including glucose. Glucose is the sugar linked to diabetes. When diabetes is badly controlled, high glucose levels in mouth fluids may help germs grow and can set the stage for gum disease.
B represents the growth shown in plants without fertilizer even in similar conditions. Experiment B is important because it helps bring the experiment to a conclusion that plants react better with fertilizer when growing in it’s early stages.