This is my homework question does anybody know which one

Ead this sentence from the evolution of useful things.the underlined phrases indicateaaking waterproof sandpaper would allow wet sanding,which in turn would cut down on dust, and thus be a greatmprovementpassing of timea directional change of positiona cause-and-effect relationshipsequence of events.save and exitmark this and retur

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.

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation.