How does modules provide flexibility in a structured programming design?
Answer:
Third option is correct
Modules ensures the reuse of code variables.
Explanation:
Module is a combination of code that is used  for a specific task i.e. sum, multiplexer and many others task which need to be performed more than once in a structure. So modules are helpful in structure programming to reuse that code again and again.
 
        
                    
             
        
        
        
Answer:
Following are the steps which are mention in the explanation part,jawana can recover her deleted paper.
Explanation:
- With the help of the recycle bin Jawana can make the recovery her deleted paper.
 
she should follow the following steps in the recycle bin  
Step 1 : Open the recycle bin
Step 2: Double click on the paper which is deleted.  
Step 3::Finally click on the restore button the deleted paper is automatically stored in that folder
- Jawana can recover her paper by the help of redo.Redo can automatically  store her deleted file
 
Step 1 : Open the Documents folder
Step 2:right click on the deleted file which is deleted  
Step 3: Press ctrl+y. its automatically store the deleted paper in that folder
 
        
             
        
        
        
Answer:
Explanation:
A civil Engineer builds buildings, roads and bridges.
 
        
                    
             
        
        
        
Answer:
c. Shape Styles gallery
Explanation: is correct. post protected