Question 31 Not yet answered This graph shows the change in atmospheric carbon dioxide from 1960 to 2010 a) What is the
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Question 31 Not yet answered This graph shows the change in atmospheric carbon dioxide from 1960 to 2010 a) What is the
Question 31 Not yet answered This graph shows the change in atmospheric carbon dioxide from 1960 to 2010 a) What is the cause of this overall increase? b) Why does the line oscillate up and down each year? Points out of 4.00 Flag question ATMOSPHERIC CO, AT MAUNA LOA OBSERVATORY 380 380 Parts per million 340 320 1970 1980 1980 2010 2000 1990 Year