The element of a text that best helps the reader determine the central idea is key details.
This is because key details give the reader an idea of what the text is about. It provides the main relevant information of the story.
<h3>What is a Central Idea?</h3>
This refers to the main idea that an author wants to convey to an audience that he wants them to learn from.
Hence, we can see that the element of a text that best helps the reader determine the central idea is key details.
Read more about central ideas here:
brainly.com/question/2684713
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