I need some help on my test.

Adisadvantage of adding a vegetarian hot-food option to a school lunch menu is that it would a. force all students to change their diets. b. eliminate a meat option from the menu. c. only some students on special diets. d. increase the amount of food that is wasted.

Do you guys know all the answers to this

Based on the information in the graph, what can you conclude about humans in the world in general?