Why services are used in AngularJS?

Related questions

1. What is the use of $Watch in AngularJS?
2. What is single page application in angular?
3. Are factories singletons in AngularJS?
4. What is the difference between angular service and factory?
5. What AngularJS digest?
6. What is the difference between Digest () and apply ()?
7. What is ngRoute?
8. What is resolve in AngularJS?
9. What is the difference between $scope and scope in AngularJS?
10. Why AngularJS is called single page application?

Tags

1. #instantiated
2. #services
3. #using
4. #mechanism
5. #these
6. #angularjs
7. #injected
8. #injection
9. #called
10. #functions
11. #dependency
12. #tasks
13. #specific
14. #application
15. #singletons
16. #which
17. #objects