Which detail would be most relevant to this central idea? Summer is the most fun season, because there is so much to do.

One relevant detail that supports the central idea would be: "During the summer, people can enjoy various outdoor activities such as swimming, hiking, picnics, and beach visits."

The most relevant detail to support the central idea that "summer is the most fun season, because there is so much to do" would be examples of the specific activities and attractions that are available during the summer season.

The central idea of this statement is that summer is the most fun season because there is so much to do. To determine which detail would be most relevant to this central idea, we need to look for specific activities or reasons that support the claim that summer is fun.

One relevant detail could be the mention of specific outdoor activities that are popular in the summer, such as swimming, hiking, or picnicking. These activities highlight the idea that summer offers a wide range of enjoyable experiences. Another relevant detail could be the mention of events or festivals that are unique to the summer season, like music festivals, fairs, or outdoor concerts. These examples demonstrate the abundance of entertainment options available during the summer months.

Ultimately, any detail that provides specific examples of fun activities or events that are commonly associated with summer would be the most relevant to the central idea.