Are question marks Universal?

Related questions

1. Do all questions end with a question mark?
2. What is question mark in English grammar?
3. What is a question without a question mark?
4. What does Guess who mean?
5. Should rhetorical questions have a question mark?
6. Do rhetorical questions require a question mark?
7. How do you type a question mark?
8. Do indirect questions need a question mark?
9. What is a backwards question mark called?
10. How do you change your keyboard back to normal?

Tags

1. #latin
2. #adoption
3. #whole
4. #legislative
5. #colonial
6. #question
7. #international
8. #result
9. #spread
10. #punctuation
11. #universal
12. #marks
13. #while
14. #process
15. #orthography