Final answer:
The independent variable in the experiment to determine which liquid dissolves Skittles the fastest is the type of liquid.
Step-by-step explanation:
The independent variable in the experiment to determine which liquid dissolves Skittles the fastest is B. Type of Liquid. The independent variable is the one that is changed or manipulated by the experimenter to see how it affects the dependent variable, which is the outcome or result of the experiment. In this case, the type of liquid is being changed to observe its effect on the dissolution rate of Skittles.