Across
- 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.
Down
- 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.