Across
- 5. Nutrient-rich water
- 7. Measure of dissolved solids in water
- 9. Shallow, swift-flowing water
- 10. Saturated soil found in wetlands
- 11. Parts per million unit of measurement
Down
- 1. Pollution from a single identifiable source
- 2. Draining away of minerals to lower level
- 3. Water temperature with higher DO level
- 4. Soil that is grey in colour due to Fe and Mn being removed
- 6. Substance that increase Hydrogen ion concentration of a solution
- 8. An indication of hard water
- 10. Decomposing organic material via bacterial and fungal action