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Subject Scale: the proportion that a representation bears to the
     
Posted by 240Z FeO2 on November 08, 2010 at 11:26 PM
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In Reply To The NOAA is the correctly scaled graph. What makes your posted by 300NASeattle on November 08, 2010 at 11:15 AM
     
Message object itself; the ratio between the size of something real and that of a model or representation of it.

If the CO2 line in the NOAA’s graph was accurately scaled (proportional) the slope (y/x) of that line would equal the actual rate of increase in CO2 per unit time.* They are not even remotely close to being equal. CO2’s rate of increase from the data is .0000014 per year [(.000387 – .000316)/(2009-1959)]. CO2’s rate of increase from the graph, if estimated from the line’s rise over run, is about .666 (2/3), approximately 475,000 times (.666/.0000014) greater than the actual CO2 rate of increase.

*Proportion (mathematics): a relation of four quantities such that the first divided by the second is equal to the third divided by the fourth; the equality of ratios.

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