1.which of the following describes an unsaturated solution?

A. A solution wit solute that is dissolved until it is unable to dissolve anymore, leaving the undissolved substances at the bottom.

B.A solution with less solute and is completely dissolved, leaving no remaining subtances.

C. A solution that contains more undissolved solute and hs the tendency to crystallize and precipate

D. A solution with less solute and is undissolved, leaving more remaining subtances on the surface of the solution. ​