13. Jane wants to figure out which of two foods is the healthiest for her pet gerbil, Bob, so she decides to conduct an

Biology

1 answer:

Svetach [21]3 years ago

7 0

Answer:

The type of food Bob is given.

Explanation:

An independent variable in an experiment is the variable that is changed. Here, the type of food is the only thing that is changed and the amount of water, temperature and other variables were kept constant (same). Thus, the independent variable is the type of food Bob is given.

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