When culture spreads through things like television, the Internet, and radio, this is called cultural diffusion through . A.
migration
B.
technology
C.
conquest
D.
movement

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.

Yes you can but you need to figure out your time of your work like make a plan for what you need to do.