Operant conditioning is different from classical conditioning because A. classical conditioning is based on providing reinforcement
B. classical conditioning produces permanent learning
C. operant conditioning requires the individual to be active
D. operant conditioning happens automatically in response to experience

c: the amount of water released through the dam and the dam's height account for the potential energy.

explanation:

After spending all that time on the research then by all means modify the hypothesis or aim by reporting such. for example the findings did not bring forth what was expected but brought about different yet interesting findings worth exploring so the hypothesis is changed to reflect this new findings.

i may be way off but.