Which of the Following Is the Most Convincing Observation That

question 2

Multiple Choice

Which of the following is the most convincing observation that suggests that like Europa, Ganymede may also have a subsurface ocean?

• A) the detection of salts on the surface that may have been brought up from below the crust
• B) the presence of young grooved terrain that may be the result of cryovolcanism
• C) the fact that it is the largest moon in the solar system and, hence, should have plenty of internal heat to maintain liquid water beneath its surface
• D) in addition to its internal magnetic field, Ganymede has a magnetic field induced by Jupiter which is consistent with a salty ocean beneath its crust

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