True because they are educational anything .com and sometimes .net because .gov is from the government so it is very safe to use and .edu is for education it is always used to help people with education etc and .org is   public which other people can say false and save you from false information
        
             
        
        
        
Answer:
Explanation:
Concurrent Process model can be regarded as evolutionary process model as well as software engineering is concerned, it allows to know the current state of activities as well as their associated states.
 The set of states In the concurrent process model are:
✓awaiting changes
✓Inactive
✓baselined
✓under development
✓under revision
✓under review
✓done
The stated "states" above give a representation of externally observable mode as regards to the behaviour of activities of a particular software engineering.
 The existence of activities of software engineering do exist at same period 
In concurrent process model, though each of the activities occur in different states so that process network is produced. The movement from one state to another of activity of software engineering is as a result of
 predefined events.
 
 
        
             
        
        
        
Answer:
135 as 4.5 times 5 times 6 gives you the volume and it =135
 
        
             
        
        
        
Answer:
 Mobile are build in a specific platform such as Android, iOS ect and they use application such as apple store and have access to the system such as GPS and the camera. Mobile apps live and run on mobiles as on they are their own thing controlled by a developer on the other end
Explanation: