Jack has built small earthen dams in the furrows between the ridges on which he plants crops. jack is using the method of water conservation. this method conserves water by holding precipitation water between the , allowing the water to infiltrate the soil and eliminate runoff.

o infiltrate the soil and eliminate runoff.

so what is the question I am very sorry if you could make this question a little more clear thank u so much

Explanation:

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.