On the scale of the cosmic calendar, in which the history of the universe is com

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On the scale of the cosmic calendar, in which the history of the universe is com

On the scale of the cosmic calendar, in which the history of the universe is compressed to 1 year, how long has human civilization (i.e., since ancient Egypt) existed?
A) about half the year
B) about a month
C) a few hours
D) a few seconds
E) less than a millionth of a second

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killian Author

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Thanks for helping me with my astronomy class

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