Across
- 2. landforms and bodies of water located in an area or region
- 3. electricity generated using flowing water to spin a turbine which turns a shaft that's connected to an electric generator
- 6. how industrial and human waste are disposed of; major cause of pollution in many countries
- 9. minerals, bodies of water, fertile land, and attractions of an area or region
- 11. conversion of salt water to useable fresh water; very expensive
- 12. region between the Twin Rivers, the Euphrates and Tigris, where many civilizations began including Mesopotamia; largest population of humans is mostly near the rivers
- 15. how many people live in an area or region
- 16. right to clean accessible water; causes conflict between villages, cities, states, and countries
- 17. watering of crops
Down
- 1. strong fertilizers used by farmers when the soil begins to erode
- 4. commercial fertilizers, human waste, trash, manufacturing waste, and other toxins that make water unusable for irrigation, drinking, or trade
- 5. has positive impacts for populations on the upstream side and negative impacts for populations on the downstream side
- 7. also known as the Rub' al Khali; a large desert in central Saudi Arabia; little to no life or vegetation
- 8. ancient civilization that was located in the fertile crescent (mostly central Iraq)
- 10. scarcity and pollution are causes of unequal access to water; impacts include conflicts over water rights; sickness; death; weaker economy
- 13. average temperature and precipitation of an area or region
- 14. a positive or negative change in the environment due to natural or human actions