After three years at an expensive college, pierre realizes that he doesn't want to finish school but really wants to be a chef. when pierre suggests that he leave college for culinary school, his parents insist that he stay for one more year to get his degree. which of the following is true? pierre's parents are correct: if he leaves college, it is as though he has wasted three years of tuition. pierre's parents are wrong: the marginal benefit to pierre of another year of college is less than the marginal cost of college. it is impossible to tell who is correct. pierre's parents are wrong: the marginal benefit to pierre of another year of college is greater than the marginal cost of college.

In some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of a postzygotic barrier the founder effect sympatric speciation a prezygotic barrier

How would having more railroad tracks be advantageous during a war

What do you call places that belong to united states but arent states