Answer:
The magma moves upward and erupts to form either an oceanic ridge or a hot spot volcano. At subduction zones, volatile compounds (especially water) escape from the subducting plate and lower the melting temperature of the overlying mantle rocks. This triggers melting and magma forms as a result.
Explanation:
Answer:
THE BOLD WORD HELP YOU WHAT YOU ARE TALKING ABOUT
Explanation:
The surface is constantly being resurfaced, covering all impact craters
Io's orbit is in 2:1 resonance with the orbit of Europa and in 4:1 resonance with the orbit of Ganymede. The period of Io's orbit is 1.8 days. What then, must be the orbital periods of Europa and Ganymede?
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