< blockquote > < p >可能复制从< a href = " //www.hoelymoley.com/questions/13366/water-on-mars-and-earth " >水在火星和地球< / > < / p > < /引用> < p >我清楚地记得一个水文过程,我们的老师做了一些计算总通量的水从地球历史上地幔抛射。他说,结果给你水的总量目前在海洋中。< / p >Then I started to hear theories about water coming from meteorites, and I wonder how much water has truly come from each source?