Chemistry, 10.03.2021 05:20, juansantos3328

Which of the following statements is true about a light-year? A) It is the distance to Alpha Centauri.
B) It is shorter than the astronomical unit.
C) It is used to measure long periods of time.
D) It is used to measure long distances in space.

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Which of the following statements is true about a light-year? A) It is the distance to Alpha Centau...