Emerson thinks adults are less likely than children to say what's on their mind or do what they want to do because

The reason of this because adults are more mature than children, where in they think about things first or their actions before doing it because it has consequences. Children on the other hand, does not mind of telling what they want to say or do for they are still children who does not know much about the world for they are still learning and they only have limited knowledge than of the adults.

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.