Jack was built small earthen dams in the furrows between the ridges on which he plants crops. Jack is using the (blank) method of water conservation. This method conserves water by holding precipitations water between the (blank), allowing the water to infiltrate the soil and eliminate runoff.

b

is correct hope this   also i learnd this in middle school

answer; a muscle cell, another neuron and a of the above

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.