If a Drop of Red Food Coloring Is Added to a Glass

Multiple Choice

If a drop of red food coloring is added to a glass of water, how will the red-colored molecules move?

A) from an area of high concentration of red-colored molecules to an area of low concentration
B) from an area of low concentration of red-colored molecules to an area of high concentration
C) from an area of high concentration of water molecules to an area of low concentration
D) toward an area of low concentration of water molecules