7: when a vehicle's brake pedal is depressed, the must come on.

Any leak in the hydraulic system that causes uneven pressure to be practical to one side of the pressure differential piston will cause the warning light to illuminate. The light is the only choice here is a short to ground in. This failure would cause the light to stay on all the time regardless of hydraulic condition.

they produces sugar..

hope this , question was a little open ended

answer; mission;