Respuesta :

The best/proper way to declare that your page uses the html5 protocol is <DOCTYPE HTML>

What is HTML?

It should be noted that HTML5 is a markup language that is used for structuring band presenting content on the world wide web.

In this case, the best/proper way to declare that your page uses the html5 protocol is <DOCTYPE HTML>.

Learn more about HTML on:

brainly.com/question/4056554

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