Why is providing evidence to support your position an important part of building an argument? a. the speaker should provide evidence only when asked by the audience. b. the speaker does not have to provide any evidence to support his or her position. c. the speaker provides evidence only when discussing the opposition's side, during the rebuttal stage of a formal debate. d. providing evidence indicates that the person understands the issue, carefully thought about his or her position, and then found supporting research to defend that position in an effort to convince the audience.

D: . Providing evidence indicates that the person understands the issue, carefully thought about his or her position, and then found supporting research to defend that position in an effort to convince the audience.

Explanation: Providing evidence to show or support your argument is important as it shows you not only understand the issue been discussed but there is evidence that others have talked about the same issues and given their suggestions and solutions. You will also make suggestions or profer solutions to existing issues.

"the tune the he might never know again." this part build anticipation. dexter got extremely happy by the piano tune. he could see what he was living at that moment in his life throught this feeling. the reader might want to learn more about his happy life. in fact, he called it a state of   'ecstasy'. the fact that he had got in a mood of intense appreciation and that everything about him was extremely bright and glamorous might lead the reader to feel that this state of happiness may not last long. the two parts from the excerpt that exemplify the anticipation are: " the sound of the "; " it was a know again."