What is the disadvantages of shifting cultivation

The disadvantages of shifting cultivation are- it leads to loss of soil fertility , it leads to burning and cutting of trees and advantages the waste material like bush and weeds are easily removed from field and in shifting cultivation there is no fear or the danger for the flood and the animals which destroy the crops

i am a little confused myself with what goes with the letters and what goes with the numbers but ill do my best to you

the cordillera states and grand canyon are along the southwest u.s. and northern mexican pacific.

the great plains and southwest desert are also the prairie and home to many earthquakes too .

the coastal plains have poor soil and many factories started in the south.

is this what u needed? if not i can see what i can do