UNIT 1: ENVIRONMENT

123456789101112
Across
  1. 3. Reduced in strength or force.
  2. 7. A large-scale and violent event in nature or society.
  3. 9. to make a problem or situation worse
  4. 10. to agree or have the same opinion
  5. 11. in its original condition; unspoiled and clean
  6. 12. Too poor to produce vegetation; lifeless.
Down
  1. 1. to save or recover something from damage, loss, or ruin
  2. 2. a change in the genetic structure of an organism
  3. 4. lasting for only a short time; temporary
  4. 5. to figure out the meaning of something difficult to understand
  5. 6. pointless or ineffective; having no useful result
  6. 8. related to or situated on the edge or periphery of something