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Sea Level Rise (cm/century)
This graph depicts the rate of sea level rise (not the actual depth) in centimeters per century over the past 20,000 years. Except for just the last few years (extreme right side), the seas have been experiencing a nearly constant and very gradual rise since about 1,000 B.C. Compare that to the dramatic events of 8,000 B.C and 10,500 B.C. and you begin to understand how ancient civilizations could have literally disappeared off the face of the earth.
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