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9 Cards in this Set

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