The graph below shows changes in the earth's average surface temperature since 1880.
global temperature anomalies (°c)
degrees
-06 + + + + + + +
year 1880 1900 1920 1940 1960 1980 2000
-= yearly average - = five year average
if the earth's average surface temperature continues to change over the next 30 years at the same rate it cha
1980 and 2010, the average temperature will most likely be around

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