Deo's crossword

123456789
Across
  1. 1. warming: trapped heat
  2. 3. dioxide: greenhouse effect
  3. 7. marsh gas
  4. 8. effect: global warming
  5. 9. weather pattern
Down
  1. 2. variety
  2. 4. change : changing weather pattern
  3. 5. gases: Carbon dioxide
  4. 6. forecast