Most of the water was probably present originally as water trapped in clay minerals or as separate hydrogen ( in hydrocarbons ) and oxygen ( in iron oxides ),rather than as ice.

 
  • 大部分的水最初可能被粘土矿物所捕获,或者以分离的氢(碳氢化合物)和氧(铁氧化物)的形式存在,而不是以冰的形式存在。
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