Imagine if the population in your neighborhood suddenly doubled in size. This increase would put a strain on transportation, food, and electricity. What steps might the neighborhood take to relieve these problems? Are there any consequences to taking these steps?

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.