Water Scarcity

2. a barrier that stops or restricts the flow of surface water or underground streams.
4. an overflow of water that submerges land that is usually dry.
5. an inorganic compound with the chemical formula H₂O.
6. long-term shifts in temperatures and weather patterns, mainly caused by human activities, especially the burning of fossil fuels.
8. the process of converting waste materials into new materials and objects.
9. a period of drier-than-normal conditions.
10. a distinct ecosystem that is flooded or saturated by water, either permanently or seasonally.

1. the basic physical systems of a business, region, or nation and often involves the production of public goods or production processes.
3. short supply; shortage.
7. encompasses crop and livestock production, aquaculture, fisheries and forestry for food and non-food products.