The Amazon Rainforest

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Across
  1. 2. the introduction of harmful substances or products into the environment
  2. 4. a colorless, odorless, incombustible gas, CO 2 , present in the atmosphere and formed during respiration
  3. 6. the science, art, or occupation concerned with cultivating land, raising crops, and feeding, breeding, and raising livestock; farming
  4. 8. official supervision of rivers, forests, and other natural resources in order to preserve and protect them through prudent management
  5. 9. a tropical forest, usually of tall, densely growing, broad-leaved evergreen trees in an area of high annual rainfall
  6. 11. the natural environment of an organism; the place that is natural for the life and growth of an organism
Down
  1. 1. a long-term change in the earth's climate, especially a change due to an increase in the average atmospheric temperature
  2. 3. relating to or being a people who are the original, earliest known inhabitants of a region, or are their descendants
  3. 5. preservation from injury or harm
  4. 7. the clearing or severe thinning of a forest or other wooded area, leaving few or no trees
  5. 10. a system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment