Read the lines from "the weary blues." thump, thump, thump, went his foot on the floor. he played a few chords then he sang some more. the repetition of the word "thump" is an example of what literary device?

Japan's government is dictatorship.

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.