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3.2 Evaluate both the effectiveness and ineffectiveness of each of the three ways.​

White dwarf is very hot, but also very small and that is why it may appear dim.

Okay perfect i'll be sure to do that lol

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.