What can make the salinity of some ocean water increase while other ocean water
decreases?

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

he would use the colour black

answer; 4 electrons;