The answer is all of the above
Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.
Answer:
B.) The energy a spring has by being compressed
Explanation:
yessir
A. light-independent reactions.
