Human Impact on the Environment- CFA 2

12345678910111213141516171819
Across
  1. 1. the process by which human activity and natural processes damage land to the point that the ecosystem can't support life
  2. 4. a natural resource that can be replaced at the same rate at which it is being used
  3. 5. an increase in the amount of nutrients, such as nitrates, in a marine or aquatic system
  4. 6. a resource that forms at a rate that is much slower than the rate at which the resource is consumed
  5. 7. life that is indigenous to a certain area
  6. 12. a nonrenewable energy resource formed form the remains of organisms that lived long ago
  7. 14. the removal of trees and other vegetation from an area
  8. 17. the wise use and preservation of natural resources
  9. 18. the establishment of residential communities on the outskirts of a city
  10. 19. the amount of carbon dioxide or other carbon compounds emitted into the atmosphere by the activities of an individual, company, country, etc.
Down
  1. 2. the process by which human activities or climatic changes make an area more desertlike
  2. 3. waste water or other material that is introduced into water that is harmful to organisms that live in, drink, or exposed to the water
  3. 8. to treat or process material used or waste so as to make it suitable for reuse
  4. 9. any natural material that is used by humans, such as water, petroleum, minerals, forests, and animals
  5. 10. precipitation, such as rain, sleet, or snow that contains a high concentration of acids
  6. 11. life that is intrusive to a given environment
  7. 13. a reduction in the amount of farmland for growing crops due to roads, buildings, schools, and shopping areas.
  8. 15. the quality of not being harmful to the environment depleting natural resources and thereby supporting long-term ecological balance
  9. 16. the contamination of the atmosphere by pollutants from human and natural sources