How fast do plates move on Earth?

A) a few centimeters per year
B) a few millimeters per century
C) a few kilometers per century
D) quite fast, but only during earthquakes
E) about 1 mile per hour


A

Physics & Space Science

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Which type of NEO explodes in the atmosphere before reaching the Earth's surface?

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In simple harmonic motion, when is the magnitude of the acceleration the greatest? (There could be more than one correct choice.)

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