What is an echo?

0 views

Related questions

Tags

  1. #walls
  2. #around
  3. #reflected
  4. #spaces
  5. #sound
  6. #surfaces
  7. #because
  8. #heard
  9. #wells
  10. #waves
  11. #there
  12. #repeated
  13. #small
  14. #where
  15. #echoes