If you are referring to concrete and abstract nouns, then "North America" would be considered a concrete noun, as one can physically touch the earth in Canada and say, "I am touching North America". If it were an abstract noun, such as fear, one would be unable to physically interact with it, as one cannot physically touch an emotion or idea.
Its a compound sentence because they are two independent clauses being joined together by a comma. they can also be joined together by a semicolon or conjunction
A green wavy actually would underline the text that may be incorrect grammatically. So it would be FALSE.
Answer: im going to give you my analysis on this. im pretty sure first you have to put the important stuff on top. then in the middle you put some stuff to expand on the first thing. then you add some extra stuff.
Explanation: a-boom
Actually, colleen isn't a Latin word.