Across
- 1. The top layer of soil containing nutrients
- 5. Solid rock that hasn't been weathered yet
- 6. An igneous rock that creates high UK landscapes
- 7. Something you can add to soil to introduce more nutrients
Down
- 2. A type of rock formed by heat and pressure
- 3. A mixture of clay and vegetation
- 4. A sedimentary rock that reacts with acid