Which Galilean Moons of Jupiter Show Evidence for Subsurface Oceans

question 73

Multiple Choice

Which Galilean moons of Jupiter show evidence for subsurface oceans of water beneath their icy crusts?

• A) Europa and Ganymede
• B) all four show evidence for subsurface oceans
• C) Europa
• D) Europa, Ganymede, and Callisto

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Definitions:

Digestion

Digestion is the process by which food is broken down in the gastrointestinal tract into nutrients that can be absorbed and utilized by the body.

Antioxidants

Substances that can prevent or slow damage to cells caused by free radicals, unstable molecules that the body produces as a reaction to environmental and other pressures.

Free Radicals

Highly reactive molecules with unpaired electrons, capable of causing oxidative damage to cells and DNA.

Absorption

The process by which substances are taken up into or across tissues, such as the absorption of nutrients by the intestines.