Definitely cell phone reception! However books could be argued for since they also are a good more than a necessity. However the last 2 i believe would be classified more as necessities than goods.
~Hope this helps!~
There are many different accents all over America. For instance, people that live in New York sound a lot different than those who live in California. Same goes to other states around the country.
There are approximately 12 combinations for a protein that is 50 acids long