Why do you want to know if your wife have a passport? Are you guys from other country that she needs to have a passport to be someplace? The only people I know who use passport are those who travel abroad, like Politician, business people, military, and myself. If you can't give more details about your wife, your question will not be answered.......
Do you mean when you get married? Get a new passport. It is no longer possible for a husband and wife to have a joint passport. Everybody must have their own passport.
No if she has a passport she could travel anywhere without a USA passport
The passport card itself is the passport. However, it has its limitations in use as compared to the traditional book passport.
Yes, you can use your passport card as proof of citizenship when applying for a passport book.
No.
yes
Practically, it is safe to travel with a legitimate, valid passport of your country. If you are a dual passport holder then you use the particular passport for that country and the other passport for the other country. like if you are travelling to US then use US passport if you are travelling Canada use your Canadian passport.
No, you cannot use an expired passport to apply for a new passport. You will need to submit a valid, unexpired passport as part of the application process.
It has a barcode on it...
it could tell who you are or if you a citizen
If it isn't printed in the passport itself then use your country's capital as place of issue. Examples: for USA passport, use Washington, DC; for UK passport, use London.
No, you cannot use an expired passport for travel.