Across
- 6. Practice of growing enough crops
- 7. between two or more states
- 8. Device using wind power to pump water from underground to the surface
- 10. wild rush of animals or people, usually when frightened
- 11. watering of land by artificial means to foster plant growth
Down
- 1. strands of fence wire with barbs at regular intervals
- 2. Machinery and equipment developed from the application of scientific knowledge
- 3. Practice of growing surplus crops to sell for profit
- 4. Spanish term for cowboy
- 5. Spatial distribution of where humans inhabit the Earth
- 9. Process of increasing human settlement in cities