If Sea-Floor Spreading Occurs at a Constant Rate,the Widths of Magnetized

question 31

Multiple Choice

If sea-floor spreading occurs at a constant rate,the widths of magnetized seafloor strips have _____ ratios as the lengths of time between successive reversals of the Earth's magnetic field.

• A)opposite
• B)critical
• C)triple
• D)two to one
• E)the same

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