The caffeine content of coffee varies greatly, depending on the beans, how they're roasted, and other factors, but the average for an 8-ounce cup is about 100 milligrams (mg).
No, 'cat' is a common noun, a word for any cat of any kind. A proper noun is the name of a person, a place, a thing, or a title; for example: Cat Deeley, host of TV series 'So You Think You Can Dance'.
Answers. Best Answer: Pretty much like any other formal writing, you capitalize a proper noun and don't capitalize anything else. A proper noun is the name of something (a title referring to a person or a specific, not just in general; the name of a book, software, newspaper, etc). So it would be Queen Elizabeth (that's a proper noun as its her title) but if its just generic its queen as in the queens of Europe all attended the funeral..