Question

sunita carries out an experiment to investigate diffusion. she uses water and a food dye to find out how the volume of water used affects the time the dye takes to spread evenly through the water. her prediction is that the more water she uses, the longer the time needed for dye to spread through it. which variable will she change?

Answer 1

Answer:

:a amount of water b time c how much food die and ??? d test them twice Explanation:

Explanation:

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