Answer:
noun is person, place, or thing
pronoun is used for a person in place of their name (he, she, they, xem, etc.) like instead fo saying, "Sam went to the store. Sam enjoyed it very much" you can say "Sam went to the store. <<He>> enjoyed it very much."
adjective describes things like, "that was a <<delicious>>> apple" or "the kitten is very <<fluffy>>"
It's either internal or psychological
The answer is a magazine because all the others are not things you can hold and interact with.
I would say C because having a meeting with no time limit can cause other meetings time to be paused or maybe even make some meetings behind schedule.