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Chapter 3 Section 4
Vocab - Geography
Term | Definition |
---|---|
desalinization | removing salt from seawater |
conservation | careful use of resources so they are not wasted |
pesticides | or powerful chemicals that kill crop-destroying insects |
ecosystems | places where the pants and animals are dependent on one another and their particular surroundings for survival |
crop rotation | changing what they plant in a field to avoid using up all the minerals in the soil |
irrigation | to deliver water to their crops |
erosion | wind or water carries soil away , leaving the land less fertile than before |
deforestation | cutting down forests |
acid rain | rain containing high amounts of chemical pollutants |