Answer:
The answer is option E. Adding effective headings and sub headings.
Step-by-step explanation:
Using effective headings and subheadings increases readability because effective headings use descriptive language to tell the readers what to expect from the content of a section.
Subheadings due to their size, stand out and attract attention. by scanning from subhead to subhead, serves as a guide to the reader down the page.
Headings need to be concise. They help to enhance and not replace. and in turn making reading very easy and enjoyable.
Headings and subheadings also help the readers to remember main points, and also can easily navigate the text for points of interest.