The air temperature is a noun because it is a thing.
Yes, the compound noun Air Force One is a proper noun, the name of the airplane(s) assigned to the US President; the name of a specific airplane.A proper noun is the name or title of a specific person, place, or thing. Air Force One is the name of a specific thing.A proper noun is always capitalized.
The noun Nike is a proper noun, the name of the Greek goddess of victory; the name of a shoe company. Proper nouns are always capitalized.
The compound noun 'air force' is only a proper noun when it is used for a specific air force. For example:Do we have an air force? Yes we do, the US Air Force. How do I join the Air Force? You visit an Air Force recruiter. Do other countries have an air force? Yes, most countries today do have an air force.Note: The use of the capitalized noun Air Force is referring to a specific air force, the US Air Force, a proper noun even if the US is not mentioned, it is inferred. The lower case use of air force is not referring to a specific air force.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Exxon is a proper noun
Air is a common noun. It is not the name of a person, place, festival, day, month, or any of the other types of proper noun.
The air temperature is a noun because it is a thing.
Yes, the compound noun Air Force One is a proper noun, the name of the airplane(s) assigned to the US President; the name of a specific airplane.A proper noun is the name or title of a specific person, place, or thing. Air Force One is the name of a specific thing.A proper noun is always capitalized.
The noun Nike is a proper noun, the name of the Greek goddess of victory; the name of a shoe company. Proper nouns are always capitalized.
The word "air" is not a proper noun. It can be either a noun or a verb depending on context, such as in the sentence "The air in that room is stale," or "Sarah aired out the sheets before her mother came to visit."
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
The compound noun 'air force' is only a proper noun when it is used for a specific air force. For example:Do we have an air force? Yes we do, the US Air Force. How do I join the Air Force? You visit an Air Force recruiter. Do other countries have an air force? Yes, most countries today do have an air force.Note: The use of the capitalized noun Air Force is referring to a specific air force, the US Air Force, a proper noun even if the US is not mentioned, it is inferred. The lower case use of air force is not referring to a specific air force.
Yes, the term "Nike Air Force 1" is a proper noun, the name of a specific product of Nike, Inc. A proper noun is always capitalized. Note that the official name of the shoe uses a number 1 in its name, not the word one.
Pencil proper or common noun
proper noun
Exxon is a proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.