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Which describes a light-year?(1 point)
Responses
a year on a low-gravity planet like Mercury
a year on a low-gravity planet like Mercury
the distance that light will travel in a year in a vacuum
the distance that light will travel in a year in a vacuum
total amount of light energy Earth receives in a year
total amount of light energy Earth receives in a year
the time it takes light to travel between the sun and Earth
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answered4 months ago