1. Yes, if they have filed the appropriate H-1B petition. 2. You need to continue working full-time for the I-140 petitioner or port under AC21...

Do I need to APPLY EAD AGAIN?

Do I need to APPLY EAD AGAIN? No, and neither does your spouse.

How long can a minor whose mother has become a citizen stay out of the US?

Cannot be determined from your posting. The Court of Appeals for the Third Circuit has stated that "Many courts have recognized that 'our...

Your employer needs to have an experienced immigration attorney review all the facts in order to make that determination.

Stop going to school since April 2013. should i let my school knows that i am applying for adjustment of status?

Having stopped your studies, puts you out of status, which limits your options should USCIS err and deny the I-485.

Is still possible to change employer with a pending H1B transfer

The problem here is that C will only be approved is B is first approved. Your employer needs to retain an experienced immigration lawyer to...

Does the USA deport failed asylum seekers back to the country of birth? or does it allow them to go to a third country?

It can deport them to either, assuming there is a third country that would accept the person.

How long can a minor who has derived citizenship stay out of the US? (his mother just became a citizen).

A US citizen can stay out of the US forever. However, for USCIS to adjudicate the N-600 you must be in the US.

Form i130 approved and i485 still saying testing and interview.

It is not clear that there is anything wrong. 15 days is nothing in immigration matter. If after 90 days you have not heard anything, your options...

No