No it isn't.
Not exactly. It means a pair of things, two things which go together. Grammatically speaking, "duo" is a noun and "two" is an adjective.
Examples of abstract/concrete noun combinations are:birthday cake; the noun 'birthday' is an abstract noun as a word for a concept; the noun 'cake' is a concrete noun as a word for a type of food.card game; the noun 'card' is a concrete noun as a word for a small piece of cardboard marked with characters; the noun 'game' is an abstract noun as a word for a concept.computer science; the concrete noun 'computer' as a word for an electronic unit; the noun 'science' as a word for a concept.marriage license; the noun 'marriage' is an abstract noun as a word for a concept; the noun license is a concrete noun as a word for a document.
The word carrot is a common noun, a singular, concrete noun. Carrot is also an exact noun for the general noun vegetable.
The noun 'up' is a singular, common, noun. The noun 'up' is a concrete noun as a word for a physical direction. The noun 'up' is an abstract noun as a word for a positive situation or period of time.
Feet is a plural noun. Foot is a singular noun.
That is the correct spelling of the plural noun "soldiers."
No, it is an adverb. It refers to exactly two repetitions of an action.
Definitely not, You can't exactly touch honesty.
Yes, determination is an abstract noun, a singular common noun; a word for firmness of purpose; resoluteness; the process of establishing something exactly.
Yes, a proper noun would be specific, so if it was proper it would be something like Hank's bedroom. yes, exactly, it is common noun
noun
I don't exactly know what you mean by that, but any name for a girl could be a proper noun i.e. Jane, Michelle, Alexandra.
No, herd is a noun, a common, collective noun for a group of animals such as a herd of horses. The word heard sounds exactly the same as herd but 'heard' is a verb, the past tense of the verb 'to hear'.
I don't exactly know what you mean by that, but any name for a girl could be a proper noun i.e. Jane, Michelle, Alexandra.
Definitely not, You can't exactly touch honesty.
Yes because it specifies a specific place. When one says 'England', everyone knows exactly which England he's talking about [because there is only one!].
An abstract noun is used as an indirect object exactly the same as a concrete noun or a pronoun is used as an indirect object. Examples:We can have the melon for breakfast.He will be here in an hour.The teacher like my report on civil rights.