They are a, an, and the.
Most definitely a common noun.
Yes, the noun 'markers' is a common noun, the plural form of the singular noun 'marker'; a general word for something that indicates position or location; a general word for something that shows the presence of something; a general word for a soft tipped pen that makes wide lines; a general word for an I.O.U. in certain types of business transactions.
No
In most cases, common noun.
The three articles are:the, used to indicate a noun as a specific person or thing.a, used to indicate a noun as a general person or thing for nouns that begin with a consonant sound.an, used to indicate a noun as a general person or thing for nouns that begin with a vowel sound.
The nouns in the sentence, "What food is Alaska's most important product?" are:food, a common noun;Alaska, a proper noun, the name of a specific place;product, a common noun.
If you are looking for a common noun it would most likely be"sea".
The noun 'tricycle' is a singular, common, concrete noun; a word for a thing.
The noun 'three' is a singular, common noun, a word for a thing. A number is a concrete noun when it represents people or things (three of the apples). A number is an abstract noun when it represents a concept (be there at three). When a number is used on it's own, a number is a noun (see page three). When a number is used to describe a noun, a number is an adjective (there are three pages).
Most Likely Because Common Is A Common Noun.
Yes, trio is a noun, a singular, common noun.
The noun 'brinjal' is a common noun, a general word for a type of vegetable. A proper noun is the name of a specific person, place, or thing. Most people do not name their brinjal, they just cook it, and eat it.