30 points! compare the type of agriculture practiced in the eastern united states and the type of agriculture practiced in northern africa. discuss the factors that influence agricultural practices in each region.

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.

answer(c) carved on a babylonian clay tablet that showed earth as a flat circular disk;