How can I provide an evidance from my country Iran to show tha I was arrested in demonstration?

Yes without any other evidence, you should submit an affidavit regarding the incident with as much detail as possible. Third party affidavits from...

Is the marriage license incorrect and will it affect us trying to get him citizenship?

Did he ever misrepresent himself as a USC? This can cause issues. Consult with an attorney in private for further guidance.

I-130, my brother just left the U.S. Should I still fill out question 46?

If he is no longer in the US then answer all questions accordingly and leave those sections blank while completing passport information.

Can my sons father get deported when I file for child support?

That is highly unlikely as child support alone does not generally warrant ICE involvement.

My asylum case does not approved in asylum office

You can move your case but only based on your current address.

Yes the DS160 should reflect your name exactly as indicated on your passport. This can cause problems. Best to resubmit the DS160 properly and...

How can I help my husband get out of ICE we just got married and we haven’t started the pittion He got arrested his first time

A marriage alone will not help him get out of ICE custody. Best to consult with an attorney for further review of his case. Good luck.

Can I expitdae my I765 and I130?

Unfortunately this does not appear to be a strong basis for expedited processing. You can certainly try to do so but unlikely that it will impact...

Which

You can refer to the I130 form instructions for all evidence that is required for a marriage based petition. Be sure to submit proper fee and mail...

It should be the location for which you received your admission and green card.