The answer to this question is: Invention The romans civilization was known as the civilization that made the most inventions during that period. One of their famous inventions is the development of wheels, that allow us to carry several objects that weigh several times heavier compared to our body weight.
On a supply and demand graph, the line that indicates price is the y-axis. The supply and demand graph has axis that contains price(y-axis) and quantity (x-axis).
