Conservation Crossword Puzzle (hard) Across 1. Located near a body of water 3. An element such as nitrogen or phosphorous that helps plants grow 8. Protect a place or resource 10. The type of soil particle that is larger than clay, but smaller than sand 11. Excess water flowing over a surface 12. An area that with lots of water such as a marsh or swamp Down 2. The ability of soil to let water flow through 4. A strip of plants located between source of pollution and body of water that acts as a filter 5. The state of soil that has been compressed such as by livestock or farm equipment 6. The loss of soil through water or wind 7. _______ species are not native to an area and often take over a habitat 9. The official soil of Maryland; also a river on the northern border of Kent County, MD