Across
- 4. not artificial
- 7. the air, water, minerals, organisms, and all other external factors surrounding and affecting a given organism at any time
- 8. an open place or a covered building where buyers and sellers convene for a sale of goods
- 9. any poison produced by an organism
- 11. any substance or agent that tends to produce a cancer
Down
- 1. any substance used to improve the quality of the soil especially a commercial or chemical manure
- 2. an approach in farming where modern techniques are used
- 3. it means healthful or nourishing
- 5. a substance produced by or used in chemical process
- 6. a chemical preparation for destroying plant, fungal or animal pests
- 10. it is a farming approach that uses natural rather than manufactured chemicals in the growth of animals and vegetables