When you were first being potty-trained, your parents praised you every time you had a successful experience. Several years later, you continue to use the restroom (hopefully) despite the lack of praise and affection. In this case, your potty-training has demonstrated… A. Escape Learning
B. Avoidance Learning
C. Discriminative Learning

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.