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'.
A proper adjective is an adjective that is spelled with a capital  letter; it is often the adjectival form of a proper noun (a name).    Examples would be Arctic (as i â¦ n Arctic fox),  European (European Union), and First (First  Street).Italian dishes are very good.   My friend likes French fries.he proper adjective for the noun Buddhism is  Buddhist (for example, Buddhist  philosophy).    The word Buddhist is also a proper noun, a word for a follower of  Bu â¦ ddhism.