In an experiment, Shara feeds her rat different brands of rat food (brands X, Y, and Z) each for 2 weeks and weighs the rat over several days during the period of each diet. What is the independent variable?

A. the rat's change in weight during the period

B. the duration of each period

C. the amount of water that the rat gets in each period

D. the brand of food that Shara feeds the rat

I think C

Question

In an experiment, Shara feeds her rat different brands of rat food (brands X, Y, and Z) each for 2 weeks and weighs the rat over several days during the period of each diet. What is the independent variable?

A.  the rat's change in weight during the period

    B.    the duration of each period

       C. the amount of water that the rat gets in each period

       D. the brand of food that Shara feeds the rat

I think C

micahm · Answer

@e.mccormick