In an experiment, what are the controls?

a. a variable or variables that you manipulate during an experiment

b. a variable or variables for which you cannot account

c. a variable or variables that you must keep constant during an experiment

d. a variable or variable that change with the independent variable

Question

6 March, 09:22

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Nathalia Floyd · Answer 1

I do believe the answer is A. I recommend looking up the definition of controls during an experiment for better understanding.