Which of the following indicates a skill that must be mastered, or an ability that must be cultivated for normal and optimal development? Self-awareness
A developmental task
A social smile

The correct option is;

Self-awareness

Explanation:

Self-awareness is the ability to objectively understand oneself, ones actions and thoughts by self reflection and self-analysis in relation to personal standards.

With self-awareness, it is possible make adjustments to our approaches based on the objective evaluation of our emotions and to reorient our actions in line with our internal values such that changes can be made development based on persona strengths and becoming aware of aspects of our lives that need improvement.

precisely the author keeps the interest of readers not describing clearly the   kind of relationship in giselle's family. by doing this, readers had to imagine and assume how it was.   instead, the author described better scenes with dark star and the influence of books about horses in giselle's life and actions.   also the fact that she broke her arm but not referring to it in detail leads the readers to imagine and guess what could have occurred.