INVIRONMENT

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Across
  1. 3. the global warming of earth climate.
  2. 5. two thirds of landfill waste is biodegrable
  3. 7. of predators and prey to detect one another.
  4. 9. with negative connotation of accompanying environmental.
  5. 12. is the scientific analysis and studying.
  6. 13. environment in which a particular species of organism lives.
  7. 14. organism or of a group of kinds usually a species.
  8. 15. forest areas across the world that are lost other uses such as agriculture croplands or mining activities.
Down
  1. 1. standards and which are identified as such by a special color.
  2. 2. of the landscape into smaller and more isolated pieces.
  3. 4. rain- from soil clay particles and flow into streams and lakes.
  4. 6. of carbon dioxide a green house gas.
  5. 8. are controlled by external and internal factors.
  6. 10. as loss of species ecosystem due to pollution and human activities.
  7. 11. more than 1,200 animal species and 4700 plant species.