17. who created an advanced civilization in sri lanka and built sophisticated irrigation systems?

What are the differences between differing map projections ?

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.

People make choices about how to use resources.