<span>A flashlight is an electric-powered light source; the light source is a light bulb or an LED. The electrical energy is converted into visible light. Flashlights can be hand-held or mounted to a platform. Light from a lighting, on the other hand, is formed by exciting electrons to a higher state. </span>
I think its most likely to be A,
A.
The time it takes the airplane to move between two points
Iron is the element that is not in the cobalt subgroup.
