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Meaning of Keeling curve | Babel Free

Noun CEFR B2

Definitions

A graph that plots the ongoing change in concentration of carbon dioxide in Earth's atmosphere since the 1950s.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

Keeling Islander Keeling Islands Keeling schedule keelivine keelman Keels

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