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What is the material that produces the distinct red color of Mars?
Q1: The white spots on Io's surface<br>A) are
Q2: Large scale geologic activity apparently never occurred
Q39: Pluto was originally classified as a planet,
Q42: The process of accretion accounts for how<br>A)
Q90: The water on the side of Earth
Q93: Which of these observations have been made
Q95: Which particular chemical associated with volcanic emissions
Q194: The troposphere of Earth is the<br>A) atmospheric
Q201: One feature discovered on the Moon is
Q206: "Visible features" on the surface of Saturn