Astudent hypothesizes that a goldfish will be more active in a bowl that has red gravel than in a bowl with grey gravel. to test this hypothesis, the student places one goldfish in a bowl with red gravel and another goldfish in a bowl with grey gravel. the color of the gravel is the variable in the experiment.
a) control
b) responding
c) dependent
d) independent
Answers: 2
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