3. What does the above passage say of the advantages that the Spanish Explorers had over the native peoples? A) The Spanish had numerical superiority to the native tribes.
B) The Spanish had technological and tactical superiority over native forces.
C) The Spanish commanders were far more capable than native leaders.
D) The Spanish commanders used ambush and hit and run tactics against their enemies.

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.