It is a common noun because it is not a specific name or place. (Unless you had a city named Pine cone. In that case, it would be a proper noun.)
Yes
proper noun
No an example of a proper noun is Tom or california.
No, the noun 'breakfast' is a common noun, a general word for a fist meal of the day.A proper noun is the name of a specific person, place, or thing; for example:The Barnacle Bed and Breakfast, Big Pine Key, FLCarnation Breakfast Bars"Breakfast at Tiffany's" by Truman Capote
"pine cone"
The word koala is a common noun; a general word for a type of animal; a word for any koala anywhere.A proper noun is the name of a specific person, place, thing, or a title; for example:Lone Pine Koala Sanctuary, Fig Tree Pocket, QLD AustraliaKoala Street, Lawrenceville, GA or Koala Court, Antioch, CAKoala Cafe, Stockholm, Sweeden"Klassic Koalas: Ancient Aboriginal Tales in New Retellings" by Lee Barwood
No, the word koalas is a common noun, the plural form for the singular koala; a word for any koalas anywhere.A proper noun is the name of a specific person, place, thing, or a title; for example:Lone Pine Koala Sanctuary, Fig Tree Pocket, QLD AustraliaKoala Street, Lawrenceville, GA or Koala Court, Antioch, CAKoala Cafe, Stockholm, Sweeden"Klassic Koalas: Ancient Aboriginal Tales in New Retellings" by Lee Barwood
Pine tree is a common noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. If a common noun is part of a name, it becomes a proper noun. Pronouns always replace proper and common nouns.
No an example of a proper noun is Tom or california.
A pine cone contains the trees seeds.
Pine trees bear their seeds in the female pine cone.
The Golden Pine Cone was created in 1950.
a pine tree makes a pine cone by their seeds and inside a pine cone if you are lucky you might fine a red seed.
the pine cone does not freeze like ice does ice crystals will hang. since the pine cone is WOOD it will NOT FREEZE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
the pine cone has 356 of hose things
The white pine cone and tassel.
No, the noun 'breakfast' is a common noun, a general word for a fist meal of the day.A proper noun is the name of a specific person, place, or thing; for example:The Barnacle Bed and Breakfast, Big Pine Key, FLCarnation Breakfast Bars"Breakfast at Tiffany's" by Truman Capote
The word persistence is a common noun, a word for the persistence of any one or any thing.A proper noun is the name of a person, a place, a thing, or a title; for example:Persistence Cove, Plymouth MA; Persistence Drive, Heritage Creek KY; or Persistence Avenue, Pine CO"Persistence of the Color Line" By Randall Kennedy"The Persistence of Crows" (novel) by Grant Maierhofer"The Persistence of Memory" (painting) by Salvador Dali
The pine cone has had medicinal uses dating back to 514 AD. The Japanese have been using pine cone extract to treat anything from the common cold to cancer. Also in Japan, drinking tea made from the pine cones, or ingesting the pine cone, [which is called "Matsu"], is associated with longevity and increased health. Also in the United States, scientific studies and research, has revealed pine cones to have antiviral, anti-tumor, and antibacterial properties. Also, Pine cone extract, with compelling evidence, is shown to have very strong immunologic effects.