I'm not entirerly sure whether ANY of these statements could be considered untrue.
Socializing up to a certain extent could increase productivity, granted it would be done with work in mind.
B, C, D all are true as these are very commonplace things that can happen at the workplace, while not all are equally probable all of them could happen.
If one really is considered untrue, it most likely would be A.
Answer:
use a dictionary to find the meanings and also take help from the text book material
Answer:
Contact to your nearby councillor.
A.) Prejuice is the answer u are looking for
D because it helps you stay on task and helps you avoid procrastinating