Question

What is the historical comparison period for the current

Q: Answer-What is the historical comparison period for the current CO₂ levels, as mentioned by WMO?

According to the WMO, current CO levels were last seen 3-5 million years ago, when temperatures were 2-3C warmer and sea levels were significantly higher.

CO₂ levels, as mentioned by WMO?

A 1-2 million years ago

B 2-3 million years ago

C 3-5 million years ago

D 5-6 million years ago

E 6-8 million years ago

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What is the historical comparison period for the current

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