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scale, how long have you been alive? A. 50 yards. B. 1 inch. C. 1 yard.D. 10 yards.E. Much less than the thickness of a sheet of paper. If the 4.6 billion years of Earth history are 100 yards, then the few thousand years of written history are just one-millionth of that history, just over the thickness of a sheet of paper. And your small piece of written history must be only a small fraction of a sheet of paper, roughly 1/200th or so. Points Earned: 0/1 Correct Answer: E Your Response: B Practice Quiz #10.