No... it isn't Possessive Nouns are just as they sound like they would be. For example in the sentence "we enjoyed her sister's play", the word 'sister's' is a possessive noun. Basically.. anything with a 's added to the end. :)
Should probably also add.. who is a pronoun :)
The possessive singular noun is explorer's. The possessive plural noun is explorers'.
The possessive form for the noun coyote is coyote's.
The possessive form of zoo is zoo's.
The possessive form for the noun preacher is preacher's.
The possessive form for the noun laboratory is laboratory's.
No, he is not possessive. The possessive form would be his.
The possessive form for the noun oxygen is oxygen's.
The possessive form is grandson's.
The possessive form is island's.
The possessive form for the noun coyote is coyote's.
The possessive noun of Sam is Sam's.
No, it is a singular possessive noun.