Can I hold J-1 visa and H-1B visa at the same time?

You may have multiple visas in the passport but you will have to enter using only one - you will only have one status within the US.

I was wondering how will the US know that I left the US before my J1 Visa expires as I will not be using my Jordanian passport?

Turn in your I94 and keep documentation of your trip if questions arise in the future.

How many times, I will have to go for Biometric appointment if submitted i-130, i-131, i-485, i 765 together?

Generally there is one biometrics appointment. USCIS will let you know if additional ones are necessary.

Occupation Change Effects on GC process and H1B

Contact the company's US immigration attorney for assistance.

What to do with two TN applications at the same time?

Decide on which TN you wish to use and apply with the appropriate documents at a Canadian airport with USCBP staffing.

Yes. If there is a conviction, USCIS may transfer the case to immigration court. Contact a US immigration attorney and a defense attorney for...

All questions must be answered truthfully. Fraudulent answers will lead to a denial.

Is a Filipino more likely to be approved for a B-2 visa if applying in Italy, with EU permanent residency status?

Technically the requirements are the same no matter where you apply. Realistically, chances may be higher from Italy.

What should i opt for? Will my F-2 visa be cancelled if F-1 visa is denied in my home country?

Contact your DSO and/or US immigration attorney about whether to file COS or through the Embassy.

No. If you already have them, bring them with you for "just in case" but USCIS generally doesn't request them at the interview.