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| 5 | An advanced state of human society in which a high level of culture, science industry and government has been reached. |   
| 8 | The removal of soil from the ground by wind, water and other forces. |   
| 10 | The large scale introduction of manufacturing, advance technical enterprises, and other productive economic activity into an area, society, or country. |   
| 12 | he production of food and goods through farming. |   
| 13 | The variety of organisms living in an ecosystem. |   
| 14 | Materials spread on soil to increase its capacity to promote plant growth. |   
| 18 | Gases that trap heat in the atmosphere. |   
| 19 | The people, activities and resources involved in getting food from farms, ranches, rivers, oceans and other sources to consumers' plates. |   
| 22 | The practices used by food industries to transform raw plant and animal materials into products for consumers. |   
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| 1 | Naturally-occuring water that is not salty, as opposed to seawater. |   
| 2 | The top layer of the earth's surface. |   
| 3 | A measure of energy. |   
| 4 | Land covered with grasses and other plants suitable for grazing animals. |   
| 6 | The extent to which a single company controls multiple successive stages along the supply chain of a product. |   
| 7 | Human-made means of delivering freshwater to agricultural fields. |   
| 9 | A model of breeding, feeding, raising and processing animals and animal products for food. |   
| 11 | A substance used by an organism for energy, growth or maintenance. |   
| 15 | Confined outdoor facilities where cattle and other animals are housed and fed before slaughter. |   
| 16 | Any organism that threatens human interests. |   
| 17 | A large industrial food animal production facility. |   
| 20 | A tool used by farmers to turn over the top layer of soil. |   
| 21 | The temperature, precipitation, humidity and other weather conditions over a long period of time. |   
| 23 | Substances intended to repel, kill or control any species deemed a pest. |   
| 24 | A community of organisms interacting with each other and with their physical environment. |   
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