30 points im desperate
dutch, french, and german settlers and their descendants in south africa were called
a. shona
b. issa
c. khoisan
d. afrikaners

I think the answer is Khoisan or either Shona but I'm leaning more toward Khoisan. Hope this helps

Its C :) hope i helped out

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.