Correct answer: (b) Congo Basin
Explanation
- A
Amazon Basin
Amazon Basin. Huge forest carbon; the “three years of fossil emissions” peat claim is the Congo Cuvette.
- B
Congo Basin
Congo Basin. World’s largest tropical peatland complex.
- C
Kikon Basin
Kikon Basin. Not a standard name for this peat store.
- D
Rio de la Plata Basin
Rio de la Plata. Estuary of Paraná–Uruguay; not that peatland.
Summary. Official key is (b) Congo Basin. The central Congo peatlands (Cuvette Centrale) are the world’s largest tropical peatland and store on the order of three years of global fossil-fuel carbon emissions. Draining or burning them would matter for climate. Amazon carbon is mostly in trees, not this peat statistic.
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