Which mobile operating system is a mobile linux operating system found on many smartphones and tablets?

Aletter or menu command that starts an action when the user presses the designated letter and the alt key together is called what?

Eye injuries usually occur as a result of all of the following things, except: a) proper machine operation b) battery explosion c) falling or flying debris d) electric welding arc

Look at the far left lane in the picture. explain what the red car is doing and what it needs to do to travel safely.