"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
A proper noun is the name of a specific person, place, or thing. The proper noun for a school in the Anchor Bay School District (proper noun, always capitalized) is the name of a school:Ashley Elementary School, New Baltimore, MIGreat Oaks Elementary School, Chesterfield Township, MILighthouse Elementary School, New Baltimore, MILottie Elementary School, New Baltimore, MIMcDonald Elementary-Early Education Center, Casco, MIMaconce Elementary School, Ira, MINaldrett Elementary School, New Baltimore, MISugarbush Elementary School, New Baltimore, MIAnchor Bay Middle School-North, New Baltimore, MIAnchor Bay Middle School-South, New Baltimore, MIAnchor Bay High School, Fair Haven, MIBloom Academy, Fair Haven, MIAnchor Bay Early Childhood Center and School Age Day Care, New Baltimore, MIAnchor Bay Aquatic Center, New Baltimore, MICompass Pointe Learning Center, New Baltimore, MI
Pencil proper or common noun
Exxon is a proper noun
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.
proper noun
Proper noun
It is a proper noun, because it is the name of a specific thing.
Proper noun or common noun
what is trix
it's a common noun. a proper noun would be Spider-Man.