Which of the following is an example of an active transport mechanism? protein channel
sodium-potassium pump
potassium channel
facilitated diffusion

sodium-potassium pump

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

read more on -

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101