I think it’s c but I’m not entirely sure
Your answer is B Plant cells have cell walls instead of cell membranes because plants have cell walls to support, protect, and carry water through out the cell animals cells don't have that. Its also not A because they both have vacuoles its not C because they both have choralpast.
Your answer is B.
BTW if not B its all of the above.
The answer is a cellular membrane
Explanation:
To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].