shanua
shanua
25.05.2021 • 
Chemistry

The graph shows levels of carbon dioxide in Earth's atmosphere over the last 400,000 years. Which conclusion can you draw from the information shown in the graph?
O Carbon dioxide levels in the past have been as high as they are now.
O Carbon dioxide levels are currently much lower than normal.
O Carbon dioxide levels are always about the same.
O Carbon dioxide levels are currently higher than they have ever been.

Solved
Show answers

Ask an AI advisor a question