Which of the following best explains the pattern of atmospheric carbon dioxide seen above Slovakia in January 2004?
A) The relatively high levels of CO2 are the result of recent, widespread deforestation.
B) The higher values are a result of Europe's large automobile fleet.
C) There is no significant difference in CO2 in January compared to July 2004.
D) The relatively high levels of CO2 are a result of diminished photosynthesis and respiration by flora during the low-sun season.
E) The relatively low levels of CO2 are a result of diminished photosynthesis and respiration by flora during the low-sun season.
Answer: D) The relatively high levels of CO2 are a result of diminished photosynthesis and respiration by flora during the low-sun season.
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