Which phrase describes one purpose of headings in an informative text?

a to explain the main idea of a section
b to show the relationship between the ideas presented
c to make a text more interesting
d to provide details that support the central idea

a to explain the main idea of a section

The correct answer is: a) to explain the main idea of a section. Headings in an informative text are used to indicate the main topic or idea of each section, helping readers to understand the organization and structure of the content.

The phrase that describes one purpose of headings in an informative text is "a to explain the main idea of a section". Headings are used to provide a clear and concise summary of the content that follows. They help readers understand what each section is about and allow them to quickly navigate through the text. By reading the headings, readers can get a sense of the main ideas and topics covered in each section without having to read the entire text. To find the answer to this question, you could have looked for information about the purpose of headings in informative texts or checked a writing guide or textbook that explains the use of headings in written materials.