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Aneli [31]
3 years ago
10

The graph shows data from ice cores. What has happened to carbon dioxide levels over time?

Biology
1 answer:
rosijanka [135]3 years ago
5 0

Answer:

A they have increased dramatically

Explanation:

As the time progresses it was relatively stable until about 1800, and then the atmospheric CO2 increased dramatically

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xylem

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