What is critical tone and what does it mean? Give me a example

You have been given the assignment of speaking about the affects of illegal drug use on youth in america. which of the following types of research is likely not to be necessary while preparing for your speech? a. a government website with statistics on convictions for possession among adolescents under the age of 18 b. a library book about the pharmaceutical drug industry in america c. a recent article from cnn.com about a special home for teenagers addicted to drugs d. a website that provides support for parents whose children are in rehab

According to this article , in what way does the message about obesity need to be refined ?

Which excerpt from i stand here ironing best summarizes the overall theme of the story