Questions for your potential employer

I'm a teenager about to have an interview for her first real job! Very exciting but I have some questions about what kinds of questions I should ask. Here are some questions I plan on asking:

1. How many people applied for this position?
2. Are there any permits I need to get before I can start working?
3. What is a typical work day like?
4. How will this facility implement social distancing, if at all?
5. What kinds of growth opportunities are there?
6. What kinds of people are working here currently? (A question about the demographic, like are they mostly high school students?)
7. Do you normally do multiple rounds of interviewing for candidates?
8. What kinds of tasks do you expect me to do?
9. What is the working environment like? Will I often work with the same people?
10. How much training will I get?

Are these questions okay? Also what are some other questions I should ask and what is the typical number of questions I should ask?

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