9.………reduce the amount of energy and time required to do that work.

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.

Ithink its called a "dynamic situation"

Answer in the court system, laws either fall into the state or federal jurisdiction