About how long would it take for one of the footprints left by the apollo astronauts to be erased? (hints: use the moon's surface area to determine the impact rate per square centimeter, and estimate the

About how long would it take for one of the footprints left by the apollo astronauts to be erased? (hints: use the moon's surface area to determine the impact rate per square centimeter, and estimate the size of a footprint.)

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About how long would it take for one of the footprints left by the apollo astronauts to be erased? (hints: use the moon's surface area to determine the impact rate per squa…

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