Answer:
learning tool. i may be wrong
Explanation:
 
        
             
        
        
        
A web application starts when a client sends a request to a server
        
             
        
        
        
Answer:
b.Encourage managers to have regular meetings with staff.
Explanation:
Upward flow of information is when the information is flown from the lower level of hierarchy to upper level of hierarchy in an organization. for example:- the flow of information from employees to the managers.
The upward flow of information can be improved by encouraging the managers to have meeting with the staff at regular interval of time.
 
        
             
        
        
        
1.  The best option is C) pick an object at random, and keep track of how many copies of an object are left in a game.
2.   The best option is D) clockwise and counterclockwise.
3.    your 3rd question does not seem to be clear to me.