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MRS.PAN FILLS TWO CUPS FULL OF WATER, ONE WITH HOT THE OTHER WITH COLD, SHE WANTS TO SEE WHICH ONE WILL MAKE A PLANT GROW FASTER, SHE USES THE SAME SIZE CUP AND WATERS THE SEEDS TWICE A DAY WITH BOTH CUPS, WHAT IS THE INDEPENDENT VARIABLE?
THE TEMPERTURE OF THE WATER.