Which tag represents a line break (new line)?

The choice of
as the correct answer is based on its specific function in HTML. This tag is designed to create a line break in the text, making it particularly useful in situations where you want to separate lines of text without starting a new paragraph. When a browser encounters this tag, it renders whatever follows it on the next line, effectively creating a visual break in the content. It is an inline element which does not require a closing tag, making it straightforward to use.

The other options, while they may appear plausible at first glance, do not represent valid HTML tags for creating line breaks. Tags like , , and do not exist in standard HTML, and would not produce the desired effect in a web browser. Understanding which tags are valid and their specific purposes is crucial for properly formatting and structuring HTML documents.