The great ocean conveyor belt gets its name because, like a normal conveyor belt, it does what?

Transports materials constantly without stopping.

Explanation:

The Great Ocean Conveyor Belt circulates water around the entire Earth over hundreds of years without stopping.

81 is a composite number.

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.