Impact on Land

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Across
  1. 4. The development of land for houses and other buildings near a city.
  2. 5. The contamination of the environment with substances that are harmful to life.
  3. 7. resource Something from Earth that living things use to meet their needs.
  4. 8. a natural resource that a growing human population needs to build more houses and roads.
  5. 9. The careful use of Earth’s materials to reduce damage to the environment.
  6. 10. the process of using fewer resources (hint- one of the three R's)
  7. 12. The process by which individuals plant trees to replace ones that have been removed.
  8. 13. The cutting of large areas of forests for human activity.
Down
  1. 1. ecosystem type where deforestation is a serious problem.
  2. 2. the first national park in the world
  3. 3. another way land environments can be harmed other than human activities
  4. 5. an impact of urbanization that prevents water from soaking in the soil due to covering an area of land with a hard, durable surface like concrete.
  5. 6. the process of restoring land disturbed by mining.
  6. 11. a mixture of decaying organic matter to help reduce the amount of trash.