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Home > Oceans Of The World > Question

Oceans play a vital role in the carbon cycle, acting as a major 'carbon sink' by absorbing which greenhouse gas?

0
A) Ozone
B) Carbon Dioxide (CO2)
C) Methane
D) Nitrous Oxide

Correct Answer: B) Carbon Dioxide (CO2)

The ocean is the largest active carbon sink in the world, absorbing about a quarter of the carbon dioxide (CO2) that humans release into the atmosphere. This process, however, is leading to ocean acidification.

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