The early christian church was split into the roman catholic church and the eastern orthodox church. this occurrence is known question 1 options: the roman invasion the divided empire the religious crisis the great schism

The Great Schism  
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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.