Why Are There No Impact Craters on the Surface of Io

question 63

Multiple Choice

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

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

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Definitions:

GAAP

A set of widely adhered to accounting norms and standards that guide financial reporting, known as Generally Accepted Accounting Principles.

Fair Value

An estimate of the market value of an asset or liability based on current market prices or valuations.

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Financial assets that a company holds primarily for the purpose of selling them in the short term to profit from market price changes.

Unrealized Gains

Increases in the value of assets that have not yet been sold and therefore not turned into cash.