Light travels the fastest in a second when it travels through air.
Light is a term that is loosely used to refers to all the waves that make up the electromagnetic spectrum. Somehow, the term is more strictly applied to the visible spectrum.
Looking at all the values as shown in the question, we can see that light travels the fastest in a second when it travels through air.
Learn more about speed of light:https://brainly.com/question/394103
#SPJ1