If 15 ml of water is added to a solution of hydrochloric acid with a pH of 2, how will the solution change?
A. The pH will increase.
B. The amount of H+ will decrease.
C. The pH will decrease.
D. The concentration will increase.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Answer is (d)a brainliest would be appreciated