Across
- 2. dig in the earth for coal or other minerals.
- 4. the preparation of land for growing crops.
- 8. the resources a country has natively
- 10. able to be maintained
Down
- 1. Variety of life
- 3. the action of clearing an area of trees.
- 5. the science or practice of farming
- 6. Level of learning you can obtain
- 7. surface processes that removes soil,or rock
- 9. Where plants and grass grow