I am a US CITIZEN can I file form I-130 for my mother an my adoptions, mother?

If you were adopted this will not be an option here.

There is a always a risk of being detained (given the current climate) and you have to be aware of this. If you do travel carry you documentation...

R1 applying to GreenCard , what are the 2 years

please consult with a qualified immigration attorney and ensure that the sponsoring employer is doing the same

You can make a SR to a 2nd tier officer (they will likely call you back) and then you can ask for a duplicate copy. They should be able to honor...

In what status did you last enter? Have you received public assistance? -> I-485 -> Part 3, Section A and Part 3, Section C.

Since we are not privy to all the details of the case , it would not be prudent to just respond to questions without all the information. I would...

How many days does you work permit takes to process?

Should take it 90 days but it is taking up to 120 days plus. Also depends on you got an RFE and case processing was stopped until you responded...

N-400 and I-130 application ?

Talk to an immigration attorney before moving forward. If one enters on a b2 visa, they cannot enter with the intent to just settle here in the US....

What to say in medical exam before immigration visa interview?

One has to be honest. There are no exceptions here. She may want to talk to counsel to see if a waiver may be warranted or applicable here or not.

How should I obtain Green card for my fiance (soon to be wife) holding B-2 visa, while my citizenship application is in process?

Secure your citizenship (which is taking 6-9 months) and then apply. She will likely have to consular process (return to her home country) and then...

What documents do I need to submit with my I-539 aplication to extend my b-2 visa?

Your plan as stated is not a good idea. One cannot use the b2 extension for the purpose you state. Please talk a qualified immigration attorney.