File a FOIA request with the relevant government agency.

A wet signature is required in this instance.

Yes the US passport is sufficient for this purpose.

No the original is sufficient for this purpose.

Your case is best served with a consultation in private with an experienced attorney. Good luck.

Yes this is normal at this time but you can contact USCIS to confirm.

This should not prevent application for internship.

Unfortunately limited options if SB1 was denied.

These questions should pertain to the parent of child and manner of entry.

USCIS generally automatically reschedules missed biometrics so it may not have been denied at that time.