Refer to the Graph, Showing a Continual Increase in CO₂

Refer to the graph, showing a continual increase in CO₂ since measurements began about 1960. Which type of data, when added to the data in this graph, would not provide evidence of a connection between rising CO₂ levels and rising global temperatures?

A) Atmospheric temperatures over thousands of years
B) Atmospheric temperatures since 1960
C) A climate model correlating rising temperatures with rising CO₂
D) Chemistry experiment results showing that CO₂ traps heat
E) Measurements showing CO₂ being dissolved in the oceans