Which of the following best explains why North America is the world's leading food exporter? A The waterways support an immense shipping industry. B The large quantities of minerals contribute to fertile, productive soil. C The richly fertile soils allow for vast and productive agricultural activity. DThe water resources have been harnessed to irrigate the agricultural regions.​

no A the waterways support an immense shipping industry

a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.

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