mmon noun
There is only one proper noun, The Sierra Club, a compound proper noun, the name of a specific organization. The term 'environmental organization' is a common noun, a term for any organization concerned about the environment. As a common noun in this sentence, it should not be capitalized. A common noun is not capitalized unless it is the first word in a sentence.
No, it is a common noun unless it is the first word in the sentence. If part of a title of an organization, it is a proper noun.
It is a common noun.
The word elevation is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
The word "Japan" is a proper noun.
Yes
it's a common noun. a proper noun would be Spider-Man.
The word bicycle is a common noun.
No, the noun shelf is a common noun, a word for any shelf.
Electricity proper noun
It is a common noun