Which of the following is not a difference between HTML and XHTML

Which of the following is not a difference between HTML and XHTML Correct Answer None of the mentioned

All other options are correct.

Related Questions

A graphical HTML browser resident at a network client machine Q accesses a static HTML webpage from a HTTP server S. The static HTML page has exactly one static embedded image which is also at S. Assuming no caching, which one of the following is correct about the HTML webpage loading (including the embedded image)?
Which of the following XHTML doctype declaration contains all HTML elements and attributes, including presentational and deprecated elements (like font) but not framesets?
HTML and XHTML stands for