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9 Cards in this Set
- Front
- Back
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DESALINIZATION
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removing salt from sea water
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CONSERVATION
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careful use of resources so that they are not wasted
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PESTICIDE
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pwerful chemicals that kill crop destroying insects
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ECOSYSTEM
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places where plants and animals are dependent on each other and their surroundings for survival
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CROP ROTATION
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changing what farmers plant in a field to avoid using up all the minerals in the soil
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IRRIGATION
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to deliver water to farmer's crops
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EROSION
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wind or water carrying soil away and leaving land less fertile than before
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DEFORRESTATION
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the process of destroying trees
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ACID RAIN
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rain containing high amounts of chemical pollutants
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