Which of the following procedures does not increase the rate at which a sugar cube dissolves in water? Select one:
a. Grinding the cube.
b. Freezing the solvent.
c. Heating the solvent.
d. Stirring the mixture.

The size is 8inches if ur a girl

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).