Across
- 2. The process of changing a piece of sloped land into a series of step-like formation to enable farming
- 6. A crop produced for its commercial value,rather than human consumption
- 8. An individual animal,plant,or single-celled life form
- 9. Refers to the warming of the atmosphere as a result of increase in CO2
- 11. The presence of salt on the land's surface
- 12. The arrangement of the natural and artificial physical features of an area
- 14. A natural feature of the earth's surface
- 15. Refers to the distance of a place north or south of the Equator
Down
- 1. Refers to living organisms such as plants and animals
- 3. Refers to non living features on Earth such as water,light,air and soil.
- 4. Refers to populations of two or more species within the same area
- 5. The beginning in the 1940's when new agricultural techniques brought great increases in food production
- 7. This is about the lack of available water resources to meet demand
- 10. Refers to new ideas, methods or processes in farming
- 13. Regions of the world characterized by their climate and their dominant forms of plant and animal life