Be7ttersyips1hawitha Be7ttersyips1hawitha

21-02-2017
Chemistry

contestada

The BEST description of a light-year is
A) the speed of light in a vacuum.
B) the age of a one-year-old star.
C) the distance light travels in a year.
D) the time it takes light to travel from Earth to the Sun.

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SalamanderMan SalamanderMan

21-02-2017

D) the time it takes light to travel from Earth to the Sun.

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