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Biology, 29.10.2020 04:50 totie7496

1. Why is 250 million years called a cosmic year? A: That's the amount of time it takes the solar system to revolve around the Milky way core.

B: That's the amount of time it takes the solar system to rotate on its axis.

C: That's the amount of time it takes the Milky Way to rotate on its axis.

D: That's the amount of time it takes the Milky Way to revolve around the Universe core.

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