Based on the data in the graph, do you think that these volcanic eruptions were the main contributor to the change in overall CO, levels at the station? Explain your answer.

According to the evidence, these volcanic eruptions were not the cause of the consistent rise in CO2 levels. If they were, CO2 levels would steadily rise and fall. The chart shows that CO2 levels rose even when there was a drop in volcanic activity. That means some other factors are causing the increase in atmospheric CO2.

Explanation: