Which of the following statements is false? a. in the first agricultural villages, all members of the community participated in supporting agriculture. b. ancient populations increased as agricultural techniques became more sophisticated. c. many villages continue to function in the same way the first agricultural villages did. d. the us is the world's leading agricultural producer because about 50% of its population is engaged in agriculture.

the answer is D. on ed2020

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.