The measure of how much solute is mixed in with a solvent is called
a. solution.
b. saturation.
c. dissolution.
d. concentration.

The measure of how much solute is mixed in with a solvent is called concentration. It's how much solute was put into the solvent (most likely water) 

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.

B) movement of materials into and out of the cell