It depends on what kind of solution is referred as 0.65 M. If the solution where the red blood cell is present is hypertonic, the red blood cell will shrink. If the solution is hypotonic, the red blood cell will expand. If the solution is isotonic, the red blood cell will not expand or shrink.
A cell theory.
Since cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
D because kg is mass and cubic cm is volume which Density = Mass / Volume
