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Pls help me!!!!!!!!!!!!!! I will give brainliest first answer i have 20 more minutes left of this quiz so pretty pls will you help me!
By how much did carbon dioxide levels increase from 1980 to 2000?
22 ppm
32 ppm
45 ppm
51 ppm

Pls help me I will give brainliest first answer i have 20 more minutes left of this quiz so pretty pls will you help me By how much did carbon dioxide levels in class=

Respuesta :

Answer:

32 ppm

Explanation:

371-339=32 ppm

Answer:

29

Explanation:10+13+6=29

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