Unit One Vocabulary

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Across
  1. 1. the introduction of waste material or harmful chemicals into the environment
  2. 3. any natural substance that can be used by living things
  3. 6. when people use resources faster than they can be replaced
  4. 8. an increase in the earth's temperature as a result of trapped carbon dioxide
  5. 10. a resource that cannot be replaced
Down
  1. 1. when the population grows faster than the environment can support
  2. 2. the study how humans effect the environment
  3. 4. everything that surrounds us including living things and man made products.
  4. 5. a resource that can be replaced as it is used
  5. 7. a world where people can live and have all the resources they need for generations to come
  6. 9. the thin layer of life on the earth