Tuvo exito la Septima Cruzada? Explica​

hola,

i hate my life too. (like jayfeather hates his blindness x3)

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.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.