By the end of the Song Dynasty, there were 9,600 runners, who
were working the system. What
were runners?
A. Individuals that competed in sports games for ancient China
B. Individuals that traveled on the Silk Road trading goods for
ancient China
C. Individuals that delivered letters, messages, and food by foot

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

yes i would go with c

hope i

-lavira: )

well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.