Respuesta :
Decreasing the temperature in order to increase molecule collisions would not increase the rate of dissolving.
What is Dissolution?
This is defined as causing a solute to pass into a solution through the aid of the solvent.
Increasing the temperature will increase molecule collisions and the rate of dissolving which was why option D is chosen as the most appropriate choice.
Read more about Dissolution here https://brainly.com/question/1533795