Which describes a light-year?(1 point)
a year on a low-gravity planet like Mercury
a year on...
Geography, 21.10.2021 01:00 RiceLord9562
Which describes a light-year?(1 point)
a year on a low-gravity planet like Mercury
a year on a low-gravity planet like Mercury
total amount of light energy Earth receives in a year
total amount of light energy Earth receives in a year
the distance that light will travel in a year in a vacuum
the distance that light will travel in a year in a vacuum
the time it takes light to travel between the sun and Earth
Answers: 1
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The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?
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