If Europa Turns Out to Have a Subsurface Ocean Which

question 6

Multiple Choice

If Europa turns out to have a subsurface ocean which is a 100 km deep or more, how much water would this correspond to, compared to the amount of water in the Earth's oceans?

• A) about the same
• B) roughly twice as much
• C) about ten times as much
• D) roughly half as much

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