Biology
Biology, 16.07.2019 17:30, timothyashburn8

Alpha centuri is 4 light years from the earth. how long would it take for the light from alpha centuri to reach earth? a.) 4 years b.) 4 months c.) 4 weeks d.) 4 days

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Alpha centuri is 4 light years from the earth. how long would it take for the light from alpha centu...

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