Uploaded on 2017-04-10 by Andres Bravo

Three Stocks and flows that can be seen in my area are the next. Cars at streets: This is a flow because the use of the highways and streets is constantly changing, that is the traffic. Numbers of people/ House: This is a flow because the people constantly change their place of living. Quantity of food at the markets: That is flow too, we can see that each market have different number of food at different times.