| A | B |
| Health problem caused by not eating enough necessary nutrients | Malnutrition |
| Widespread food shortage that results in many people not having enough food | Famine |
| Upper layer of soil consisting of rock particles, water, air and organic matter | Topsoil |
| Loss of fertile soil when it is blown away by wind or washed away by water | Erosion |
| Raising crops without using many synthetic pesticides or fertilizer | Organic Farming |
| Accumulation of salts in the soil | Salinization |
| Changes in the genetic makeup of pest populations thatresult in the ability to tolerate particular pesticides | Resistance |
| Soil in which most plants are healthy and able to grow rapidly | Fertile soil |
| Farming without using a lot of energy, pesticides, fertilizer and water | Low Input Farming |
| Using living organisms or naturally produced chemicals to control pest | Biological Pest Control |