Can the product owner and the Scrummaster be the same person?

Related questions

1. What does a product owner do all day?
2. What is Agile methodology in simple words?
3. What is short iterations in Agile Manifesto?
4. What does a good product owner do?
5. Why should the product owner attend the daily scrum?
6. What is agile and Jira?
7. What are Scrum Master duties?
8. Who defines done in Scrum?
9. What is the difference between product owner and business analyst?
10. What is the most important according to the Agile Manifesto?

Tags

1. #trying
2. #focuses
3. #owner
4. #protecting
5. #simple
6. #about
7. #product
8. #scrummaster
9. #answer
10. #person
11. #supporting
12. #individual
13. #scrum
14. #think
15. #accomplish
16. #reason