Environment

12345678910
Across
  1. 4. Turns into a butterfly
  2. 8. The earth moves around it
  3. 9. is a harmful gas that causes air pollution
  4. 10. The sun rises in the
Down
  1. 1. Air pollution causes
  2. 2. Trees release this gas
  3. 3. The movement of the earth on its axis is called
  4. 5. Farmers use pesticides to save crops from
  5. 6. The only planet having life on it so far
  6. 7. A sense organ that helps us to smell the food