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Tsync Tsync
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Posts: 3450
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8 years ago
According to our definition, we have been a technological civilization for about:
A) 500 years.      B) 100 years.      C) 1000 years.      D) 10 years.      E) 10,000 years.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 330 times
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Minoring in physics
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RatatouilleRatatouille
wrote...
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Posts: 3710
8 years ago
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Tsync Author
wrote...
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
8 years ago
Message back if you need anything
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