Carbon in the Atmosphere
mc026-1.jpg
By how much did carbon dioxide levels increase from 1980 to 2000?
22 ppm
32 ppm
45 ppm
51 ppm
Answers
Answered by
1
32ppm.......hope it helps plzz matk brainliest
RockingDK310:
plzz
Answered by
1
32ppm it is your answer if it is correct please mark me as brainliest
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