An experiment tested the effect of fertilizer on the growth of several varieties of soybeans. For each experiment there are three rows of each variety. The center rows are the experimental plants. The outer rows are the controls. What is the independent variable in this experiment?What is the independent variable in this experiment?
fertilizerWhat is the independent variable in this experiment?
If the amount of fertilizer is the same for all plants...
The independent variable is the soybean varieties...What is the independent variable in this experiment?
That would be the variable that is the same in each experiment, namely the fertilizer.
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