Refer to the Graph

Multiple Choice

Refer to the graph. According to the graph, what conclusion can be drawn regarding the relationship between atmospheric CO₂ concentrations and Antarctic temperatures?

A) The two factors show no correlation over the past 800,000 years.
B) When CO₂ levels increase, temperatures increase.
C) Increasing CO₂ is correlated with increasing but not decreasing temperatures.
D) The two factors were correlated 800,000 years ago, but they are not today.
E) The two factors were not correlated 800,000 years ago, but they are today.