Respuesta :
The independent variable is the growth hormone while the dependent variable is the weight of the cows.
An experiment seeks to establish cause and effect relationship. In order to this, two variables are tested for their effects on each other.
The independent variable is manipulated and its effect on the dependent variable is observed.
In this case, the dependent variable is the weight of the cows while the independent variable is the presence or absence of an administered growth hormone.
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