Do oil paintings need to breathe?

Related questions

1. What is the purpose of a self portrait?
2. Can I paint over a photo canvas?
3. What is photo painting?
4. How do you get pictures painted?
5. How many types of painting are there?
6. What are the three theories of art?
7. Can a selfie be a self portrait?
8. How much does a painting artist make a year?
9. Who invented digital painting?
10. What is a 3/4 portrait?

Tags

1. #layers
2. #contact
3. #things
4. #years
5. #talking
6. #hundreds
7. #oxygen
8. #offered
9. #advice
10. #varnished
11. #about
12. #oxidation
13. #people
14. #painting
15. #different
16. #breathing
17. #dries
18. #order
19. #protected