Question

tag is used to display the text below the normal text​

Answer 1

Answer:

The <sub> tag defines subscript text. Subscript text appears half a character below the normal line, and is sometimes rendered in a smaller font. Subscript text can be used for chemical formulas, like H2O.

Answer 2

Answer:

a basic rate of taxation (as on income) applied to large groups of taxpayers to which varying surtaxes may be added for smaller subgroups.