Which of the following is an example of an argumentative thesis statement?

An argumentative thesis statement is one that presents a claim or stance that can be supported or opposed by evidence and reasoning. It typically addresses a controversial issue, provoking thought and debate.

The second choice about social media clearly asserts a position regarding its impact on mental health and suggests a need for societal action. This statement not only takes a stance but also indicates that there is a discussion to be had about the implications of social media on mental health issues. It provides a clear direction for argumentation, inviting analysis, research, and evidence to support the claim.

In contrast, the other options are factual statements or observations. The statement about the sky being blue simply states a fact without inviting debate, while the assertions regarding people's enjoyment of reading and the identification of "The Great Gatsby" as a novel by F. Scott Fitzgerald do not present an argument but rather convey information without posing a challenge or controversy that could be supported or refuted. Hence, these alternatives do not fulfill the criteria for an argumentative thesis statement.