That the Tharsis Region on Mars Has So Few Craters

question 18

Multiple Choice

That the Tharsis region on Mars has so few craters:

• A)proves tectonic activity is taking place.
• B)is due to the regions very low elevation.
• C)suggests it is the youngest region on the planet.
• D)suggests it is at the center of a particularly strong magnetic field.
• E)is due to annual flooding and water erosion.

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