Assignment 1 Urban Metabolism

Google "Urban Metabolism" to search for answers to the questions below (the 100 word limit does not apply). 

1. In your own words, define urban metabolism.
2. How does urban metabolism relate to the class topic about resource management? 
3. What use are urban metabolism studies/research for urban planning and design?
4. Typically, urban metabolism includes measuring energy, water, materials and nutrient flows. In terms of sheer mass/quantity, which is the largest component of urban metabolism? Support your answer with at least one citation (APA format). 
5. List one insight you learned from googling/searching about urban metabolism that is not represented in questions 1-4.

(Grading Metric: 2 points per question 0, 1, or 2 points based on the level of effort I believe you put into answering the question).