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lisabon 2012 [21]
3 years ago
7

What units are used when describing the length of time that the universe has been expanding? [CHECK ALL THAT APPLY] [A is not th

e only answer]
billions of years
millions of years
light years
light year kilometers
decades
Geography
2 answers:
Nitella [24]3 years ago
8 0

Light years is another one

shepuryov [24]3 years ago
7 0

Billions of years, there isn’t anything else

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