An overwhelming richness of vegetation may have caused the level of oxygen, to r

游客2023-12-27  31

问题 An overwhelming richness of vegetation may have caused the level of oxygen, to rise above today’s ______ , with a corresponding depletion of carbon dioxide.

选项 A、concentration
B、saturation
C、satiation
D、plenitude

答案 A

解析 名词辨析
转载请注明原文地址:https://tihaiku.com/zcyy/3311042.html
最新回复(0)