Astronomy MCQ
Astronomy Chapter 1
On a cosmic calendar, in which the history of the universe is compressed into one year, how long is the average human life span?
On a cosmic calendar, in which the history of the universe is compressed into one year, how long is the average human life span?
On a cosmic calendar, in which the history of the universe is compressed into one year, how long is the average human lifespan?
A) 0.2 millisecond
B) 0.2 second
C) 2 seconds
D) 2 minutes
E) 2 hours
Answer: B
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