o4=Worsen
Explanation:
The word deteriorate means worse or fasten.
This is active communication
Barrier communication because it blocks communication between people
Passive aggressive is being rude in a nice way because they don’t feel comfortable being rude.
Effective communication would be meant for business related communications to benefit from something.
I would have to say black, because it just fits with most creepy books. Sorry if you can't figure out an explanation.
