Carbon dioxide (CO₂ ) concentrations over the past 800,000 years

Question

Quizplus · Accepted Answer

The graph shows that the concentrations of CO₂ have fluctuated over time, but since the Industrial Revolution, they have been steadily increasing. The concentration of CO₂ in the past was also much lower than it is currently. Option A is incorrect as it is evident from the graph that CO₂ concentrations have not remained constant. Option B is incorrect as the CO₂ levels were much higher in the past than they are now. Option D is incorrect as the maximum concentration of CO₂ occurred around 100,000 years ago, not 325,000 years ago.

Carbon Dioxide (CO₂ ) Concentrations Over the Past 800,000 Years