The Iron Hypothesis Correlations between dust and atmospheric carbon dioxide levels in ancient ice core records Correlations between dust and atmospheric carbon dioxide levels in ancient ice core records  Suggest that the ocean would respond to natural changes in iron inputs  Higher glacial winds would increase the amount of windblown dust containing Fe to oceans  Stimulate phytoplankton growth Increasing carbon uptake and decrease atmospheric CO 2Increasing carbon uptake and decrease atmospheric CO 2 Alter the greenhouse gas balance and climate of the earthAlter the greenhouse gas balance and climate of the earth
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