Which of the following is an example of amalgamation?
a. the mexican people of today, who are the result of a gradual merging of generations of spaniards and indians
b. the united states population, according to the concept of the "melting pot"
c. both answers are correct.
d. neither answer is correct.

Where are the subjestions

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.