Can nouns be singular, plurar, or possessive

All of the above

Explanation:

To show possession with regular singular nouns you write apostrophe "s"  

To show possession with regular plural nouns that end with "s," simply add an apostrophe at the end. Examples of this type of plural possessive noun include: Airplanes' wings. Alarms' ringing.

answer; //it is discrimination to treat you unfairly compared to someone else,because of religion,race or

answer; product market;