TOEFL Listening: ETS-TOEFL听力机经 - CGGE01K3A4A375O3P$

According to the professor, why are the atmospheric circulation patterns on Titan simpler than those found on Earth? A. Titan's ITCZ keeps these patterns from becoming move com B. Titan rotate more slowly than Earth does C. Titan is a moon rather than a planet D. Titan's hydrologic cycle involves methane rather than water