Across
- 2. a change which is a result or consequence of an action or other cause.
- 7. an individual animal, plant, or single-celled life form.
- 8. the presence in or introduction into the environment of a substance that has harmful or poisonous effects.
- 9. the activity or business of growing crops and raising livestock.
- 11. degradation the decline in soil condition caused by its improper use or poor management, usually for agricultural, industrial or urban purposes.
- 13. the cultivation of a single crop in a given area.
Down
- 1. a chemical or natural substance added to soil or land to increase its fertility.
- 3. All the physical surroundings on Earth
- 4. the unconsolidated mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants
- 5. (of a material, substance, or by-product) eliminated or discarded as no longer useful or required after the completion of a process.
- 6. a marked effect or influence.
- 10. the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
- 12. a community or group of living organisms that live in and interact with each other in a specific environment