Black holes are among us
1.ones 2.the 3. into 4. can't 5. then 6. like 7.have 8. assuming 9.have 10. will/may 11.in12. educated
13. behind 14. can/may, might 16. occasional 17. dedicating 18. beginning 19. disposal 20. employees 21. acquisition 22. facilitated 23. varying 24. competition 25. merger

38.D 39.H 40. F 41. C 42.B 43.G 44. A

Non verbal communication makes verbal communication easier and effective. And non verbal communication includes eye contact, posture and gesture. These communication techniques' main point is giving impression to audience and person.