Yes it would.
Capitalize after a comma when it occurs within a sentence if it is the beginning of a new sentence or a proper noun. For example: "John went shopping. He bought a new shirt." or "I visited Paris, France, last summer."
Only proper nouns and I are capitalized after a comma. But is a conjunction, so no, it doesn't need to be capitalized.
Yes, it is generally recommended to use a comma before "and" when listing three or more nouns together. This is known as the Oxford comma and can help to clarify the list and avoid confusion.
The nouns in your sentence are group, nouns, and sentence.
The two nouns, 'nouns' and 'sentence' are placed correctly in your sentence.
In the question above, nouns and sentence are the only nouns. Neither of which are proper nouns.
The nouns in the sentence are frogs, place, and place.
that would depend on if you have listed three or more nouns , pronouns before it. if it is exactly three, it doesn't matter.
There are five nouns:JohnTucsonspeechsubjectdemocracyNote: There should be a comma after the noun subject: ...his favorite subject, democracy.
The nouns in the sentence are:General Harry LeeMotteAmericanshomeenemy
The abstract nouns in the sentence are education and defense.
Proper nouns are specific names or nouns. So actually player is just a noun/subject and football describes what type of player it is so football in the sentence is actually an adjective.