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3 years ago

7

Carbon dioxide levels in the beginning of the Industrial Revolution was about 280 ppm (parts per million). If carbon dioxide lev

els have increased 38%, how much carbon dioxide is now in the atmosphere?
737 ppm

386 ppm

10640

8960 ppm

1 answer:

Komok [63]3 years ago

8 0

Answer:386 ppm

Explanation:

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