Both
"German submarine" is a common noun. It refers to any submarine manufactured or operated by Germany, not to a specific individual entity.
Is this proper Or common noun ?
if you are talking about if it is a common noun or a proper noun, it is a proper noun.
The noun 'Namib" is a proper noun, the name of a specific desert, the name of a specific place.A proper noun is always capitalized.
No, it is a proper noun.No, it is a proper noun.
proper
It is a proper noun.
Both
No, the noun 'submarine' is a common noun, a general word for any underwater vessel.A proper noun is the name of a specific person, place, or thing; for example, Submarine Beach Road in Nome, AK.The word 'submarine' is also an adjective, a word used to describe a noun.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
Proper noun or common noun
The noun cassette is a common noun.