Answer:
C
Explanation:
Chemical energy stored in muscles transform to kinetic and heat energy
Answer:
for 16 it is heart.
Explanation:
for 17 it is kidney to bladder
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+].