9th grade

A biologist gives a new kind of food to a group of dogs and compares the weight gain of these dogs over time to a group of similar dogs that did not receive the new food. Identify the experimental variables and dependent variables

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asked by Kristine
  1. experimental variables : new food
    control variable: old food
    independent variable: food
    dependent variable: weight gain.

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    posted by bobpursley

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