问题描述:
英语翻译
Fifty years ago,for every tonne of CO2 emitted,600kg were removed by land and ocean sinks.However,in 2006,only 550kg were removed per tonne and that amount is falling.”
Unexpected Growth In Atmospheric Carbon Dioxide
Fifty years ago,for every tonne of CO2 emitted,600kg were removed by land and ocean sinks.However,in 2006,only 550kg were removed per tonne and that amount is falling.”
Unexpected Growth In Atmospheric Carbon Dioxide
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