The ____is a graph which plots monthly averages of CO2 concentrations since 1958.
A)Keeling Curve
B)PETM
C)Maunder minimum
D)Younger Dryas
E)MCA

Question

The ____is a graph which plots monthly averages of CO2 concentrations since 1958.
A)Keeling Curve 
B)PETM 
C)Maunder minimum 
D)Younger Dryas 
E)MCA

Quizplus · Accepted Answer

The Keeling Curve is a graph that plots monthly average concentrations of CO2 since 1958. It is named after Charles David Keeling, who started the measurements at the Mauna Loa Observatory in Hawaii. The other options are not related to the Keeling Curve or the measurement of CO2 concentrations.

The ____Is a Graph Which Plots Monthly Averages of CO2