Answer:
c.almost always provides accurate information.
d.involves a great deal of information.
Explanation:
Upward Communication in organizations is the process of the flow of important information from the lower levels to the upper levels in the hierarchy of the organization. Thus accurate and great information are transferred form the subordinates to their managers and supervisors.
It helps the employees in terms of expressing their requirements, feelings and ideas.
Thus the correct option are --- (c) an (d).