Solved UPSC CDS/OTA Question
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Q · Climate ChangeMedium · 45s
Which one of the following is a natural sink of carbon dioxide?
TopicClimate Change
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Oceans absorb about 25–30% of atmospheric CO₂, acting as a major natural sink.
Final Answer: Option B — Oceans