Easy

Edit Answers
123456789
Across
  1. 1. _____ emitted by vehicles
  2. 3. best friend
  3. 6. of _____ clock
  4. 7. lessons with experiments
  5. 8. of discussion
  6. 9. school in a _____
Down
  1. 2. _____, the Social Studies teacher
  2. 4. _____ on roads
  3. 5. garbage _____