Which best compares the structure of silent spring and "a case for waawaatesi"? silent spring primarily utilizes emotional appeals to alert the reader of possible future danger, while the argument in "a case for waawaatesi" includes more use of logic and reason. silent spring starts with general statements and ends with specific statements, while "a case for waawaatesi" starts with specific statements and ends with general statements. silent spring mostly appeals to readers’ logic, while "a case for waawaatesi" appeals to readers’ ethos by establishing the author’s credibility. silent spring starts with a negative tone and ends with a positive tone, while "a case for waawaatesi" starts with a positive tone and ends with a positive tone.