Ruling that becomes a model for future courts or future cases to follow

ilikeair12 history; do you think the american dream is still attainable? kristinalovestae history; which of the following describes a technological accomplishment of the 1920s a. the completion of the panama canal b. the solo non-stop transatlantic

hope this : d

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.