This is a current in a fluid that results from convection. Convection currents occur in the magma (heated) parts of earth. Convection currents can carry heat from earths mantle to the surface.
Your location most directly affects weather emergencies you may experience
In my opinion yes, because sometimes fictitious information can have information that may seem factual or possibly have something in it to make it look factual.
Answer:
Oh gosh, thank you! (I feel like this'll get deleted, so here are the answers: Tony Stark became Iron man when he was in like this military place? I don't know the exact details, but when people were trying to fight him he made a suit to fight back. The suit was surprisingly powerful, so he re-made it to be more appealing, light-weight, and stronger.
All he has to do is change into his suit. He doesn't actually have any superpowers, unless you consider being really smart a super power)