in An Inconvenient Truth a graph of atmospheric carbon dioxide shows a regular decrease in te amount of the gas once a year what time of year does this happen

Question

1. winter and spring in the northern hemisphere
2. spring and summer in the north hemisphere
3. fall and winter in the north hemisphere
4. summer and fall in the north hemisphere

Answer 1

The correct answer is option 1. Winter and spring in the northern hemisphere. In An Inconvenient Truth, the graph of atmospheric carbon dioxide shows a regular decrease in the amount of the gas during these seasons in the northern hemisphere.