Which answer best summarizes the main benefit of slavery to the colonies? (1 point) a Slavery helped secure settlements in the New World against invading forces. b Buying slaves was a way to immediately improve one's status in the New World. c Slavery allowed the colonists to use natural resources for maximum profit. d Owning slaves offered colonists a way to spread out into other parts of the country.

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.

Ais the