Scientists can learn the following from magnetic striping patterns:
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The cause of magnetic pole reversals - Magnetic striping provides evidence for the history of Earth's magnetic field reversals.
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The speed of one plate as it subducts below another plate - The width of the magnetic stripes can indicate how fast the plates are moving apart.
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The direction plates are moving relative to each other - The orientation of the magnetic striping reveals the direction of plate movement.
Thus, the correct answers are the cause of magnetic pole reversals, the speed of one plate as it subducts below another plate, and the direction plates are moving relative to each other.