Which answer was the MAIN cause of the conditions listed below?

On a production possibility curve, data points that fall outside of the curve represent what

"six months ago, several of molly's friends joined the trimtime fitness center. each of them participated in trimtime's weight-reduction and fitness regimen. all reported substantial weight reduction, and all are visibly slimmer. molly is convinced. she joins trimtime and enrolls in the program, hoping and expecting to see the same results. she is especially delighted to learn that trimtime had adjusted its program to make it even more effective in a shorter period of time." what is the feature in question/attribute of interest in this argument?

What do the tiv do in the rainy season? a) fightb) teach their culturec) farmd) build new houses