Uploaded on 2020-05-30 by Azam Bakarman

1: - Water - food - density 2: -Water is pumped into the tanks on top of the buildings (flow). Water stays in the tanks for different uses (stock). Water used for cleaning from microbes and bacteria, or for drinking to avoid the dehydration of the bodies (flow). -Food products are transported into the markets (flow). Then, food products are stored and offered in the markets for sale (stock). People start purchasing their needs from the markets leading to increase the consumption rate and affect on the city's economy (flow). Then, food, after being eaten, stays in the body for metabolism or becomes wasted (stock). Finally, food wastes are transported outside the city for recycling purposes (flow). -In recreational seasons, people start traveling to the city leading to an increasing population density (flow). people stay in the city to enjoy their vacations (stock). When the recreational seasons ends, people start leaving the city leading to population density reduction (flow). 3: -The three stocks and flows could benefit my city socially, ecologically, and economically. Food would affect on the economy dynamics. An increasing population density could enhance the vitalization of the city. Governmental and public consciousness lead to manage water consumption.