Answer to Question 1
MSW consists of paper, yard wastes, food wastes, plastics, metal, glass, and wood.
Answer to Question 2
The five options for meeting existing water scarcity needs and growing demands are: (1) capture more of the runoff water, (2) gain better access to existing groundwater aquifers, (3) desalt seawater, (4) conserve present supplies by using less water, and (5) make food production more efficient.
