No the I485 may be held in abeyance. Consult with an attorney for guidance.

Contact NVC directly through their online system.

Refer to the visa bulletin for guidance and clarification.

You may be subject to a 10 year bar but more information is needed to assist. Consult with an attorney for guidance.

To the best of their recollection, provide the addresses since your parents were 16 years of age.

It will take months before your case is documentarily qualified and transferred for interview.

Yes you may visit and marry and then return home while your spouse files Form I130. Consult with an attorney for guidance.

No, only since age 16 for the applicant.

No you should wait until you turn 21 years of age.

Best to consult with an attorney for review of your case. Good luck.