Can my mom's uncle to support her to come to me in USA to visit?

Yes, her Uncle can sponsor her as long as he is a US Citizen or a lawful permanent resident.

No, your OPT does not get automatically cancelled by virtue of filing for adjustment of status base don marriage.

Which one is faster: I-824 or I-130 application for spouse with Iranian citizenship?

These are probably about the same. USCIS is taking an egregiously long time approving I-824s these days.

Can I work while waiting for my EAD authorization? During the Green Card process?

If you do not presently have work authorization, your employer does not have "discretion" whether to employ you. On the other hand, working...

I-360 was approved and I-485 transferred to local office.

Yes, this normally means that your interview is coming soon.

Do I need to file for h4 if 485 is filed?what happens if 485 is rejected?

If you do not change your nonimmigrant status to H_4, then you would be in an unlawful status should the I-485 be rejected.

Existing USA, H1B Filing date and H1B clock reset?

Yes, since you were outside the US for more than one year, it would appear that your "clock" has reset for the full 6 years. Consult with your...

A decision can not be made yet about your application ?

Follow up with the local USCIS office by scheduling an InfoPass through the USCIS Customer Service line.

Departing the US may seriously jeopardize your asylum claim here. As for Canadian immigration laws regarding entry requirements, you should...

I’m certified computer science teacher working in a private school with EAD status. would like to work in public school with H1B

It is possible, however, the petition would be subject to the H-1B cap, unless the School District can demonstrate that it is affiliated with an...