Because marla is the first girl in her fourth-grade class to sexually mature, she is sometimes teased and rejected by her classmates. marla's sense of social isolation and embarrassment result from the interaction of

The answer is nature and nurture. 
The nature versus nurture is about whether human conduct is controlled by the earth, either pre-birth or amid a man's life, or by a man's qualities. The alliterative articulation "nature and sustain" in English has been being used since at any rate the Elizabethan time frame and backpedals to medieval French. Nature is the thing that we consider as pre-wiring and is impacted by hereditary legacy and other organic components. Sustain is by and large taken as the impact of outside elements on origination e.g. the result of presentation, experience and learning on a person.

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.