1. FALSE 2. FALSE 3. NOT GIVEN 4. TRUE 5. NOT GIVEN 6. TRUE 7. C 8. A 9. E 10. scouts 11. waggle dance 12. volume 13. democratic 14. iv 15. viii 16. ii 17. vi 18. iii 19. factory 20. floor/flooring 21. column(s) 22. concrete 23. structural revolution 24. (non-pressurized) boilers 25. power shortages 26. climate control 27. Yes 28. Yes 29. No 30. NOT GIVEN 31. NOT GIVEN 32. No 33. (their) behavior/activities 34. turn-talking 35. interruptions 36. belong 37. distress levels 38. rejection 39. agreement 40. content