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Ksju [112]
3 years ago
8

Carbon dioxide is a major cause of global warming. How has the amount of carbon dioxide changed over the past 100 years?

Biology
1 answer:
SOVA2 [1]3 years ago
6 0

Answer:

Carbon dioxide  has also increased over the last 100 years-- from about 300 ppm to 370 ppm.

Explanation:

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