Which of the following is not one of the ways in which the Tuskegee Airmen have been remembered?

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.

answer; a farmer who refuses to fight in his country's army;

the graph is a circle graph because it demonstrates different components of the graph in the form of a circle . pls mark brainliest!

the american civil war was not caused   by slavery but by economic factors.