Help plz this for my assessment for eg

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

•your english teacher has asked you to write a short three-page research paper. which topic is the most narrow? a. water pollution b. how lake pollution affects fish c. how water pollution affects seal d. pollution

Which of the following statements is most accurate? a. effective communication skills are not as important as technical skills. b. good communication skills can you in the classroom, on the job, and in your personal life. c. communicating effectively is not related to job success. d. learning to communicate effectively cannot be taught because communication skills are inborn.