The expected remaining lifespan of the sun is thought to be about how many years?
a) 7 millio...
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Biology, 15.10.2019 14:20, shyterria1329
The expected remaining lifespan of the sun is thought to be about how many years?
a) 7 million years
b)7 billion years
c)77 million years
d)77 billion years
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Answers: 3
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