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How did scientists determine how old the ocean floor is?

How did scientists determine how old the ocean floor is?
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How did scientists determine how old the ocean floor is?

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User Nirit
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Scientists can determine the age of the seafloor by examining the changing magnetic field of our planet. Every once in a while, the currents in the liquid core, which create the Earth's magnetic field, reverse themselves: it is called a geomagnetic reversal. This has happened many times throughout Earth's history.
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User Xethron
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7 votes

Answer:

crust

Step-by-step explanation:

if bigger than older smaller new

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User Ganders
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