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A large amount of iron had been released into the sea causing a bloom in plankton which is the base of many food webs in the ocean and also on the average day planes altogether release 350,000 metric tonnes of C02 into the atmosphere where as this volcano only released 150,000 metric tonnes into the atmosphere and with the ban on planes in that period 200,000 metric tonnes less was released into the atmosphere and with the fact that it didn't go above 30,000 feet it benefited the plants as they could respire more 03 (oxygen).

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11y ago

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