Answer:
The cat's tail.
Explanation:
Possessive form usually means you add 's to the end of the noun that owns the object. You always put the noun directly in front of the thing that it owns in possessive form.
A. memoir
A memoir is similar to an account or record and is written based on information. A journal on the other hand contains personal accounts along with one's opinions and thoughts. An essay is far more detailed and a manual contains information along with instructions.