No. It is not a proper noun, a location, title, language, or course. Unless it is the name of television show, other form of media, or the first word in the sentence, no. Do not capitalize the word alligator.
The word alligator is a common noun. It does not need to be capitalized. However, if it is used as a proper noun phrase, then yes. For example, let's say a football team's nickname was The Alligator Biters, the nickname would be capitalized just like when writing The Cavs, The Steelers, The Redskins, etc.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
Yes it should always be capitalized.
Yes it is because American is the PROPER NOUN and it is capitalized and alligator (the word I think you are trying to say) is a PROPER ADJECTIVEwhich should not be capitalized.
Yes, the word "alligator" should not be capitalized unless it begins a sentence or is part of a title or name.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
Yes it should be capitalized.
No. It should not be capitalized.
It should only be capitalized if it forms part of a title.
Yes, it should be capitalized.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
Yes it should always be capitalized.
Yes it should be capitalized.
The first 'c' should be capitalized.