GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - Z5C58_JB554V7SJUJ

Each of the following discoveries is mentioned in the passage EXCEPT: A. Wind erosion and carbon dioxide oceans are responsible for certain geological landforms on Mars. B. Mars does not have a substantial global magnetic field. C. Mars had water activity at some point in the past. D. The length of day on Mars is similar to that on Earth. E. The axial of Mars is similar to that of Earth.