How did the concepts of magnetic reversals and seafloor spreading help to bring about the theory of plate tectonics?

When the Earth’s magnetic field reverses, a new stripe, with the new polarity, begins. Such magnetic patterns led to recognition of the occurrence of sea-floor spreading, and they remain some of the strongest evidence for the theory of plate tectonics. 1 What is the relationship between seafloor spreading and reversals in Earth’s magnetic

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