What is the term for the percentage of light reflected by something?

the term is albedo i think sorry if it is not correct

Albedo

Explanation:

Albedo can be defined as the term which is used to define the amount of light reflected by any substance. All the surface that is present around us either reflect light or absorb light.

The light colored substances reflects maximum amount of light falling on it and a dark colored substance absorbs most of the light falling on it.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.