-------------------------------------------------------------------------------------------------------------
Answer:
1. Humor - abstract noun
2. Kindness - abstract noun
3. Army - collective noun
4. Danger - abstract noun
5. Committee - collective noun
6. Towel - concrete noun
7. Jury - collective noun
-------------------------------------------------------------------------------------------------------------
How to do this in the future:
Concrete Noun- identified using your taste, touch, sight, hearing, or smell.
Abstract Noun- concepts, feelings, ideas, state of mind, and attributes.
Collective Noun- a group of individuals; assembly, family, crew
-------------------------------------------------------------------------------------------------------------