In the list provided, the word "Jumping" is NOT a noun.
Here's a breakdown to help you understand:
1) A noun is a word that represents a person, place, thing, or idea.
2) In this case:
- "Tree" is a noun as it represents a thing.
- "Elephant" is a noun as it represents an animal.
- "Ocean" is a noun as it represents a place.
- "Jumping" is NOT a noun; it is a verb that describes an action.
So, the answer is B) Jumping.