You may travel outside the U.S. while the application is pending. However, it is important to have done checking your mail in case you receive an RFE.

To seek adjustment of status, you must be in a valid, nonimmigrant status. Based upon the information you provided, you are not in a valid,...

It may be possible but would require your F-1 COS to be approved first and for you to maintain F-1 status until the second COS is approved.

Have you contacted your country Embassy or Consulate in the U.S.? Often there is a procedure available for extending your passport while outside...

You answer the questions truthfully.

No, you cannot. You must wait until your number is available before filing. The earliest it will be available is October 1st.

Have you talked with your employer’s immigration attorney? What did he/she/they say? This attorney is in the best position to give you case...

It can be a matter of days or months. USCIS will need to review your Form I-485 to make sure no additional information or documents are needed. You...

It would be best for your husband to enter during the initial visa validity date. However, if that is not possible, can reach out to the U.S....

There is no issue. You each were assigned your own A number. You may have had a previously issued A number.