Biology, 18.05.2021 18:30 alialoydd11
The graph shows data from ice cores. What has happened to carbon dioxide levels over time?
A. They have increased dramatically recently.
B. They have remained flat and steady.
C. They have decreased dramatically recently.
D. They have gone up and down with no general trend.
Answers: 3
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The graph shows data from ice cores. What has happened to carbon dioxide levels over time?
A. They...
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