Illa's infant was born with facial deformities and an arm that stopped growing at the elbow. it is likely that illa took during her pregnancy.

Thalidomide

Thalidomide is used mainly as a treatment of certain cancers (multiple myeloma) and of a complication of leprosy. During the window of susceptibility, teratogens such as thalidomide can severely damage critical milestones of embryonic development. As a result, it should not be prescribed to pregnant women.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.

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.