Please answer all questions.

11. Demonstrate six ways in which language can be an obstacle or barrier to communication. 12. Explain the differences between clichs, jargon, and slang. 13. Explain the difference between sexist or racist language and legitimate references to gender or race in business communication. 14.Describe and define four strategies that can give emphasis to your message. 15. Demonstrate the effective use of visuals in an oral or written presentation. 16. Demonstrate the effective use of signposts, internal summaries and foreshadowing, and repetition in an oral or written presentation 17.List and explain the use of six strategies for improving verbal communication 18. Describe the factors that contribute to self-concept, 19. Describe how the self-fulfilling prophecy works. 20.Describe the concept of perception