Answer:
independent variable is number of apples
dependent variable is grades
One one side of the Punnet Square, label B. The other, Label b. Take the upper right corner for example. The solution would be Bb.
Acids correspond to volatile molecules that release positive hydrogen ions. These ions have a profound effect on the other molecules in foods. Also, they can affect the cells in your body, fortunately, our taste buds help us regulate the number of free hydrogen ions we eat by making us perceive acids as sour tasting.