Answer:
<b> tag is used to make the text bold. <br> tag is used to insert a line break into a text font.
Step-by-step explanation:
The <b> tag in HTML is used to indicate the importance of the text. The text is written within <b> tag display in bold size. You can do that by using CSS also there is a similar tag <strong> tag that has a similar effect on content.
The <br> tag inserts a single line break. The <br> tag is useful for writing addresses or poems. The <br> tag is an empty tag which means that it has no end tag.