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The two correct answers that describe a realistic cause-effect relationship between solar weather and Earth's magnetosphere are:
1. **geomagnetic storm -- aurora**
2. **coronal mass ejection -- geomagnetic storm**
These relationships illustrate how solar activity can impact Earth's magnetosphere and lead to phenomena like auroras. Geomagnetic storms, which can be caused by coronal mass ejections, can produce auroras as a visible effect of the interaction between solar wind and Earth's magnetic field.