a constant variable is... the thing affected by my change the procedures something i can change the thing in…

a constant variable is... the thing affected by my change the procedures something i can change the thing in my experiment that must stay the same
Answer
Brief Explanations:
In an experiment, a constant variable is a factor that is kept unchanged to ensure that any observed results are due to the manipulated variables. It remains the same throughout the experiment.
Answer:
The thing in my experiment that must stay the same