a cold front is the fastest moving front
A skydiver is the fastest moving object in sports.
The eyelid is the fastest moving eyelid in the human body
Jacobshavn in southwest Greenland is one of the fastest moving, now at over 12km/year.
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parmecium
The fastest moving planet in out solar system is Mercury, which is named after the roman god of speed.
The slowest the fastest car will go is 'not moving', or 0 miles per hour. After all, even the fastest cars must start from a not moving state.
When you are working out or moving a lot.
A cold front moves the fastest, and a stationary front moves the slowest. A cold front moves about 20 mph, while a stationary front moves very little.
The Pacific and Cocos plate.
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Warm front.