Geography Crossword

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Across
  1. 2. the system in which animals and plants rely on each other to survive
  2. 3. a change towards the worlds weather
  3. 5. an organization that works for environmental preservation
  4. 6. the slow increase of the temperature of the earth
  5. 7. a basic material used to make a product
  6. 8. to be sustained
  7. 9. the surroundings in which a person, plant or any living thing lives
  8. 11. to remove all or the majority of trees from an area
Down
  1. 1. the act of preserving or protection something
  2. 4. a species of plant or animal that faces possible extinction
  3. 10. something that has harmful or poisonous effects towards the environment