Across
- 1. Soil layer that contains very little humus and plant root can reach this area
- 3. The process of weathering involves carbonate minerals in rock
- 6. Oxygen, water and pyrite react to form _____
- 8. Formation process of soil from rock
- 9. ___ is the ability of soil to sustain plant growth and optimize crop yield
- 10. During mining,_____ is exposed to oxygen
Down
- 2. affect reproductive pattern of aquatic organisms
- 4. Aquatic animals and plants are killed by the ____
- 5. Increased in soluble metal concentration and particulate metal in water
- 7. This soil is a combination of sand, silt and clay