Pure water and pure salt are poor conductors of electricity. When salt is dissolved in water, the resulting solution conducts electricity well. Which statement explains why this occurs with these substances? A. The process of dissolving makes the electrons in their atoms free to move.

B. The process of dissolving makes the electrons in their atoms more closely bound.

C. The process of dissolving makes the atoms in them free to move.

D. The process of dissolving makes the atoms in them more closely bound to each other.