来自李云钢的问题
Thebiogeochemicalcycles〔生物地球化学循环〕ofC,O,N,SandPareallimportantprocessesintheEarthSystem.Whichelementisnotinvolvedintheatmosphericprocess?
Thebiogeochemicalcycles〔生物地球化学循环〕ofC,O,N,SandPare
allimportantprocessesintheEarthSystem.Whichelementisnotinvolvedintheatmosphericprocess?
1回答
2020-06-03 23:06