Question

A television advertisement claiming that a product is "light-years ahead of its time" does not make sense because (a) it doesn’t specify the number of light-years; (b) it uses "light-years" to talk about time, but a light-year is a unit of distance; (c) light-years can only be used to talk about light.

Answer 1

B. It uses "Light-years" to talk about time, but a light-year is a unit of distance.

Step-by-step explanation:

Light-Year is a term used in astronomy to describe the distance that light travels in a year. Informally, astronomers use the light year to describe distances between planets, stars, moons and other astronomical bodies.

Light-years are sometimes mistakenly thought of as units of time — because of the year — but they're actually units of distance, equal to about six trillion miles. In 1851, the light year was first used for defining distances by a German astronomer who compared it to a "hiking hour," or the distance a person can hike in one hour. The term can also figuratively mean "a long way:"