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 derived from a proper noun. A common adjective is derived from a common noun. A proper noun is is to pick out: it will always be capitalized â¦ . In the sentence, I saw a Japanese man eat a fishy snack, the word Japanese is a proper adjective and fishy is a common adjective.