It means your file is being reviewed. Once the review is complete it will be approved or sent to your local office to be adjudicated. If you are...

A passport is provided to a citizen. Are you a citizen of Turkey? If you are and you can show that you are in the USA legally you may be able to...

Send the application to the address listed on the USCIS website.

If when you filed you did not have a current valid visa you were not in the country with a lawful status at the time of filing.

No. As USC's the children re entitled to the benefits.

I moved ypur question to the Divorce section.

No. However, be careful to maintain your LPR status in the USA with regard to actual physical presence and time spend outside the USA,.

Speak to your advisor at the University.

An I-551 stamp in your passport is temporary. The stamp is meant to substitute for a green card for limited period of time - no more than one...

Based on your post it sounds like the issue is with law enforcement in Algeria and not immigration.