Why Are There No Impact Craters on the Surface of Io

question 27

Multiple Choice

Why are there no impact craters on the surface of Io?

• A)Jupiter's strong gravity attracted the planetesimals more strongly than Io, and thus none landed on its surface.
• B)Any craters that existed have been eroded through the strong winds on Io's surface.
• C)Io did have impact craters, but they have all been buried in lava flows.
• D)Io's thick atmosphere obscures the view of the craters.
• E)It is too small to have been bombarded by planetesimals in the early solar system.

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Cost Basis

The initial cost of an asset used for calculating taxes, typically the amount paid to buy it, modified for any changes due to stock splits, dividends, and distributions of returned capital.