The best conclusion that can be made from this graph is:
b) atmospheric carbon dioxide levels have increased steadily since 1960.
Question 5
Which of the following is the best conclusion that can be made from this graph?
a
atmospheric carbon dioxide levels have been decreasing since 1960
b
atmospheric carbon dioxide levels have increased steadily since 1960
c
humans have been working hard to decrease carbon dioxide levels
d
Hawaii has a lot of carbon dioxide
1 answer