Do you have a bunch of text you've gotten from somewhere else? Then you should put it in a block quote.
The Nobel Prize in Physics 2011 was divided, one half awarded to Saul Perlmutter, the other half jointly to Brian P. Schmidt and Adam G. Riess "for the discovery of the accelerating expansion of the Universe through observations of distant supernovae".
The folks at Mozilla say that inline quotes are
for short quotations that don't require paragraph breaks.
Note that these get nice curly qoutes rather than boring straight "s.
Computer and telecomnications networking is full of abbreviations. I worked on standards for WSON. These are WDM networks featuring switches called ROADMs.
If you say the 7th of April you'll use a
superscript on the
th. If you specify
the chemical formula for water, H2O you'll
use a subscript on the