Blue food coloring is poured into a beaker of water. the food coloring diffuses and turns the water blue. which of the following would influence the rate at which the food coloring diffuses? a. concentration of the food coloring b. temperature of the water c. volume of the water d. all of these

Ibelieve the answer is relative humidity  because it makes more sense that way. solar flares usually occur in space it doesn't affect the earth, well it could but it wont make a significant damage.  latitude is land it doesnt do anything. prevailing winds, i dont know the correct meaning for this but i doubt that affects the land so it has to be relative humidity.