What does using nesting in HTML allow you to do? Style the HTML automatically
Automatically add missing opening or closing tags to the HTML
Prevent any misspelled tag keywords from appearing in the HTML
Improve readability and find and fix problems more easily

The answer to this question is given below in the explanation section.

Explanation:

The given options to this question are:

The correct option to question is Option 1. i.e.

Style the HTML automatically.

Nesting HTML refers to enlist the HTML tage within HTML tag.

For example, the <p> tag is used to insert paragraph text. You can insert nesting HTML tags within the paragraph tag to style the pragraph.

such as:

<p>

<b>

This is a paragraph

</b>

</p>

The above HTML code bold the paragraph.

While the options are not correct because:

Nesting HTML does not allow to insert missing opening or closing tags to the HTML and also does not prevent appearing the misspelled tag keyword. Nesting HTML does not improve readability and find and fix the problem easily because nesting HTML mostly made the HTML more complex in terms of readability.