Unit 6 Vocabulary

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Across
  1. 2. noun: when farm animals eat too much grass on a large scale
  2. 4. adjective: something that will not run out when it is used
  3. 6. adjective: something good for the environment
  4. 8. adjective: made from something
  5. 10. noun: when a certain type of sea creature becomes white
  6. 12. noun: garbage from domestic sources
  7. 14. verb: to protect a natural resource
  8. 15. noun: gases that come from various means of transport
Down
  1. 1. noun: a group of chemicals that contribute to global warming
  2. 3. adjective: something that wastes very little electricity
  3. 5. noun: a very short amount of time
  4. 7. verb: to break down naturally without pollution
  5. 9. adjective: something that can be maintained for a long time
  6. 11. noun: when trees are cut down on a large scale
  7. 13. verb: to explore something related