How did the Ming dynasty change Chinese society? It discouraged artistic innovation.

It relied on the Great Wall for defense.

It appointed officials based on family ties.

It limited trade with Europeans.

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.

a is the final : )

i think they should to be honest

explanation:

the name of the theory is landmass theory.