Scientists at russia’s vostok station in eastern antarctica drilled the longest ice core ever recorded. they compiled this graph using the data collected from the ice core. this plot shows the temperature, carbon dioxide (co2), and dust levels up to 400,000 years ago. which statement best summarizes the data in the graph?

The data supports the fourth choice, that increasing air temperature and CO2 levels correlate with a decrease in dust concentration.

The first choice is unlikely to reflect dust concentration, and is more likely to be for air temperature. The second choice is false, because the dust concentration is more of a decreasing trend. The third choice is not true, as the spikes in air temperature and atmospheric CO2 concentrations seem to occur simultaneously, implying a positive correlation.

This movement is also referred to as  glacial plucking

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